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Posted to notifications@shardingsphere.apache.org by me...@apache.org on 2026/03/17 10:16:00 UTC

(shardingsphere) branch master updated: Revert "Add core Oracle system schema tables and set SYS as default (#38388)" (#38485)

This is an automated email from the ASF dual-hosted git repository.

menghaoran pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/shardingsphere.git


The following commit(s) were added to refs/heads/master by this push:
     new ea83842ed20 Revert "Add core Oracle system schema tables and set SYS as default (#38388)" (#38485)
ea83842ed20 is described below

commit ea83842ed20682e97b66e52c97005fa282a3706b
Author: Haoran Meng <me...@gmail.com>
AuthorDate: Tue Mar 17 18:15:54 2026 +0800

    Revert "Add core Oracle system schema tables and set SYS as default (#38388)" (#38485)
---
 .../metadata/database/OracleSystemDatabase.java    |  49 ----
 .../database/option/OracleSchemaOption.java        |   2 +-
 ....metadata.database.system.DialectSystemDatabase |  18 --
 .../resources/schema/oracle/sys/all_sequences.yaml |  73 ------
 .../resources/schema/oracle/sys/all_synonyms.yaml  |  49 ----
 .../schema/oracle/sys/all_tab_columns.yaml         | 205 ---------------
 .../resources/schema/oracle/sys/all_tables.yaml    | 283 ---------------------
 .../resources/schema/oracle/sys/all_views.yaml     |  97 -------
 .../resources/schema/oracle/sys/user_tables.yaml   | 277 --------------------
 .../database/OracleSystemDatabaseTest.java         |  42 ---
 .../database/option/OracleSchemaOptionTest.java    |   6 +-
 .../dml/from/type/SimpleTableSegmentBinder.java    |  29 +--
 .../test/it/sql/binder/SQLBinderIT.java            |   4 -
 .../binder/src/test/resources/cases/dml/select.xml |  65 -----
 .../binder/src/test/resources/sqls/dml/select.xml  |   4 -
 .../parser/src/main/resources/case/dml/select.xml  |   9 -
 .../main/resources/sql/supported/dml/select.xml    |   1 -
 17 files changed, 4 insertions(+), 1209 deletions(-)

diff --git a/database/connector/dialect/oracle/src/main/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/OracleSystemDatabase.java b/database/connector/dialect/oracle/src/main/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/OracleSystemDatabase.java
deleted file mode 100644
index 613c4dd95a2..00000000000
--- a/database/connector/dialect/oracle/src/main/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/OracleSystemDatabase.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.shardingsphere.database.connector.oracle.metadata.database;
-
-import org.apache.shardingsphere.database.connector.core.metadata.database.system.DialectSystemDatabase;
-
-import java.util.Collection;
-import java.util.Collections;
-
-/**
- * System database for Oracle.
- */
-public final class OracleSystemDatabase implements DialectSystemDatabase {
-    
-    @Override
-    public Collection<String> getSystemDatabases() {
-        return Collections.emptyList();
-    }
-    
-    @Override
-    public Collection<String> getSystemSchemas() {
-        return Collections.singletonList("SYS");
-    }
-    
-    @Override
-    public Collection<String> getSystemSchemas(final String databaseName) {
-        return Collections.singletonList("SYS");
-    }
-    
-    @Override
-    public String getDatabaseType() {
-        return "Oracle";
-    }
-}
diff --git a/database/connector/dialect/oracle/src/main/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/option/OracleSchemaOption.java b/database/connector/dialect/oracle/src/main/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/option/OracleSchemaOption.java
index 7143b906793..9e1391b9aa8 100644
--- a/database/connector/dialect/oracle/src/main/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/option/OracleSchemaOption.java
+++ b/database/connector/dialect/oracle/src/main/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/option/OracleSchemaOption.java
@@ -52,6 +52,6 @@ public final class OracleSchemaOption implements DialectSchemaOption {
     
     @Override
     public Optional<String> getDefaultSystemSchema() {
-        return Optional.of("SYS");
+        return delegate.getDefaultSystemSchema();
     }
 }
diff --git a/database/connector/dialect/oracle/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.database.system.DialectSystemDatabase b/database/connector/dialect/oracle/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.database.system.DialectSystemDatabase
deleted file mode 100644
index 35daab0c62b..00000000000
--- a/database/connector/dialect/oracle/src/main/resources/META-INF/services/org.apache.shardingsphere.database.connector.core.metadata.database.system.DialectSystemDatabase
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-org.apache.shardingsphere.database.connector.oracle.metadata.database.OracleSystemDatabase
diff --git a/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_sequences.yaml b/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_sequences.yaml
deleted file mode 100644
index 26daf0768b4..00000000000
--- a/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_sequences.yaml
+++ /dev/null
@@ -1,73 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-name: all_sequences
-columns:
-  SEQUENCE_OWNER:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: SEQUENCE_OWNER
-    primaryKey: false
-  SEQUENCE_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: SEQUENCE_NAME
-    primaryKey: false
-  MIN_VALUE:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: MIN_VALUE
-    primaryKey: false
-  MAX_VALUE:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: MAX_VALUE
-    primaryKey: false
-  INCREMENT_BY:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: INCREMENT_BY
-    primaryKey: false
-  CYCLE_FLAG:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: CYCLE_FLAG
-    primaryKey: false
-  ORDER_FLAG:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: ORDER_FLAG
-    primaryKey: false
-  CACHE_SIZE:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: CACHE_SIZE
-    primaryKey: false
-  LAST_NUMBER:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: LAST_NUMBER
-    primaryKey: false
diff --git a/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_synonyms.yaml b/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_synonyms.yaml
deleted file mode 100644
index 701eb01e8a8..00000000000
--- a/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_synonyms.yaml
+++ /dev/null
@@ -1,49 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-name: all_synonyms
-columns:
-  OWNER:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: OWNER
-    primaryKey: false
-  SYNONYM_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: SYNONYM_NAME
-    primaryKey: false
-  TABLE_OWNER:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: TABLE_OWNER
-    primaryKey: false
-  TABLE_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: TABLE_NAME
-    primaryKey: false
-  DB_LINK:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: DB_LINK
-    primaryKey: false
diff --git a/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_tab_columns.yaml b/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_tab_columns.yaml
deleted file mode 100644
index b22de5bc633..00000000000
--- a/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_tab_columns.yaml
+++ /dev/null
@@ -1,205 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-name: all_tab_columns
-columns:
-  OWNER:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: OWNER
-    primaryKey: false
-  TABLE_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: TABLE_NAME
-    primaryKey: false
-  COLUMN_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: COLUMN_NAME
-    primaryKey: false
-  DATA_TYPE:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: DATA_TYPE
-    primaryKey: false
-  DATA_TYPE_MOD:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: DATA_TYPE_MOD
-    primaryKey: false
-  DATA_TYPE_OWNER:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: DATA_TYPE_OWNER
-    primaryKey: false
-  DATA_LENGTH:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: DATA_LENGTH
-    primaryKey: false
-  DATA_PRECISION:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: DATA_PRECISION
-    primaryKey: false
-  DATA_SCALE:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: DATA_SCALE
-    primaryKey: false
-  NULLABLE:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: NULLABLE
-    primaryKey: false
-  COLUMN_ID:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: COLUMN_ID
-    primaryKey: false
-  DEFAULT_LENGTH:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: DEFAULT_LENGTH
-    primaryKey: false
-  DATA_DEFAULT:
-    caseSensitive: false
-    dataType: -1
-    generated: false
-    name: DATA_DEFAULT
-    primaryKey: false
-  NUM_DISTINCT:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: NUM_DISTINCT
-    primaryKey: false
-  LOW_VALUE:
-    caseSensitive: false
-    dataType: -3
-    generated: false
-    name: LOW_VALUE
-    primaryKey: false
-  HIGH_VALUE:
-    caseSensitive: false
-    dataType: -3
-    generated: false
-    name: HIGH_VALUE
-    primaryKey: false
-  DENSITY:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: DENSITY
-    primaryKey: false
-  NUM_NULLS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: NUM_NULLS
-    primaryKey: false
-  NUM_BUCKETS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: NUM_BUCKETS
-    primaryKey: false
-  LAST_ANALYZED:
-    caseSensitive: false
-    dataType: 93
-    generated: false
-    name: LAST_ANALYZED
-    primaryKey: false
-  SAMPLE_SIZE:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: SAMPLE_SIZE
-    primaryKey: false
-  CHARACTER_SET_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: CHARACTER_SET_NAME
-    primaryKey: false
-  CHAR_COL_DECL_LENGTH:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: CHAR_COL_DECL_LENGTH
-    primaryKey: false
-  GLOBAL_STATS:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: GLOBAL_STATS
-    primaryKey: false
-  USER_STATS:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: USER_STATS
-    primaryKey: false
-  AVG_COL_LEN:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: AVG_COL_LEN
-    primaryKey: false
-  CHAR_LENGTH:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: CHAR_LENGTH
-    primaryKey: false
-  CHAR_USED:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: CHAR_USED
-    primaryKey: false
-  V80_FMT_IMAGE:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: V80_FMT_IMAGE
-    primaryKey: false
-  DATA_UPGRADED:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: DATA_UPGRADED
-    primaryKey: false
-  HISTOGRAM:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: HISTOGRAM
-    primaryKey: false
diff --git a/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_tables.yaml b/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_tables.yaml
deleted file mode 100644
index ffb4acccb70..00000000000
--- a/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_tables.yaml
+++ /dev/null
@@ -1,283 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-name: all_tables
-columns:
-  OWNER:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: OWNER
-    primaryKey: false
-  TABLE_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: TABLE_NAME
-    primaryKey: false
-  TABLESPACE_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: TABLESPACE_NAME
-    primaryKey: false
-  CLUSTER_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: CLUSTER_NAME
-    primaryKey: false
-  IOT_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: IOT_NAME
-    primaryKey: false
-  STATUS:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: STATUS
-    primaryKey: false
-  PCT_FREE:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: PCT_FREE
-    primaryKey: false
-  PCT_USED:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: PCT_USED
-    primaryKey: false
-  INI_TRANS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: INI_TRANS
-    primaryKey: false
-  MAX_TRANS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: MAX_TRANS
-    primaryKey: false
-  INITIAL_EXTENT:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: INITIAL_EXTENT
-    primaryKey: false
-  NEXT_EXTENT:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: NEXT_EXTENT
-    primaryKey: false
-  MIN_EXTENTS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: MIN_EXTENTS
-    primaryKey: false
-  MAX_EXTENTS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: MAX_EXTENTS
-    primaryKey: false
-  LOGGING:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: LOGGING
-    primaryKey: false
-  BACKED_UP:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: BACKED_UP
-    primaryKey: false
-  NUM_ROWS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: NUM_ROWS
-    primaryKey: false
-  BLOCKS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: BLOCKS
-    primaryKey: false
-  EMPTY_BLOCKS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: EMPTY_BLOCKS
-    primaryKey: false
-  AVG_SPACE:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: AVG_SPACE
-    primaryKey: false
-  CHAIN_CNT:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: CHAIN_CNT
-    primaryKey: false
-  AVG_ROW_LEN:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: AVG_ROW_LEN
-    primaryKey: false
-  DEGREE:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: DEGREE
-    primaryKey: false
-  INSTANCES:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: INSTANCES
-    primaryKey: false
-  CACHE:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: CACHE
-    primaryKey: false
-  TABLE_LOCK:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: TABLE_LOCK
-    primaryKey: false
-  SAMPLE_SIZE:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: SAMPLE_SIZE
-    primaryKey: false
-  LAST_ANALYZED:
-    caseSensitive: false
-    dataType: 93
-    generated: false
-    name: LAST_ANALYZED
-    primaryKey: false
-  PARTITIONED:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: PARTITIONED
-    primaryKey: false
-  IOT_TYPE:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: IOT_TYPE
-    primaryKey: false
-  TEMPORARY:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: TEMPORARY
-    primaryKey: false
-  SECONDARY:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: SECONDARY
-    primaryKey: false
-  NESTED:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: NESTED
-    primaryKey: false
-  BUFFER_POOL:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: BUFFER_POOL
-    primaryKey: false
-  ROW_MOVEMENT:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: ROW_MOVEMENT
-    primaryKey: false
-  GLOBAL_STATS:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: GLOBAL_STATS
-    primaryKey: false
-  USER_STATS:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: USER_STATS
-    primaryKey: false
-  DURATION:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: DURATION
-    primaryKey: false
-  SKIP_CORRUPT:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: SKIP_CORRUPT
-    primaryKey: false
-  MONITORING:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: MONITORING
-    primaryKey: false
-  CLUSTER_OWNER:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: CLUSTER_OWNER
-    primaryKey: false
-  DEPENDENCIES:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: DEPENDENCIES
-    primaryKey: false
-  COMPRESSION:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: COMPRESSION
-    primaryKey: false
-  DROPPED:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: DROPPED
-    primaryKey: false
diff --git a/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_views.yaml b/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_views.yaml
deleted file mode 100644
index 802abf0f4b3..00000000000
--- a/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/all_views.yaml
+++ /dev/null
@@ -1,97 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-name: all_views
-columns:
-  OWNER:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: OWNER
-    primaryKey: false
-  VIEW_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: VIEW_NAME
-    primaryKey: false
-  TEXT_LENGTH:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: TEXT_LENGTH
-    primaryKey: false
-  TEXT:
-    caseSensitive: false
-    dataType: -1
-    generated: false
-    name: TEXT
-    primaryKey: false
-  TYPE_TEXT_LENGTH:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: TYPE_TEXT_LENGTH
-    primaryKey: false
-  TYPE_TEXT:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: TYPE_TEXT
-    primaryKey: false
-  OID_TEXT_LENGTH:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: OID_TEXT_LENGTH
-    primaryKey: false
-  OID_TEXT:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: OID_TEXT
-    primaryKey: false
-  VIEW_TYPE_OWNER:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: VIEW_TYPE_OWNER
-    primaryKey: false
-  VIEW_TYPE:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: VIEW_TYPE
-    primaryKey: false
-  SUPERVIEW_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: SUPERVIEW_NAME
-    primaryKey: false
-  EDITIONING_VIEW:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: EDITIONING_VIEW
-    primaryKey: false
-  READ_ONLY:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: READ_ONLY
-    primaryKey: false
diff --git a/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/user_tables.yaml b/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/user_tables.yaml
deleted file mode 100644
index 642815e45a7..00000000000
--- a/database/connector/dialect/oracle/src/main/resources/schema/oracle/sys/user_tables.yaml
+++ /dev/null
@@ -1,277 +0,0 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You under the Apache License, Version 2.0
-# (the "License"); you may not use this file except in compliance with
-# the License.  You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-name: user_tables
-columns:
-  TABLE_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: TABLE_NAME
-    primaryKey: false
-  TABLESPACE_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: TABLESPACE_NAME
-    primaryKey: false
-  CLUSTER_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: CLUSTER_NAME
-    primaryKey: false
-  IOT_NAME:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: IOT_NAME
-    primaryKey: false
-  STATUS:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: STATUS
-    primaryKey: false
-  PCT_FREE:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: PCT_FREE
-    primaryKey: false
-  PCT_USED:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: PCT_USED
-    primaryKey: false
-  INI_TRANS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: INI_TRANS
-    primaryKey: false
-  MAX_TRANS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: MAX_TRANS
-    primaryKey: false
-  INITIAL_EXTENT:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: INITIAL_EXTENT
-    primaryKey: false
-  NEXT_EXTENT:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: NEXT_EXTENT
-    primaryKey: false
-  MIN_EXTENTS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: MIN_EXTENTS
-    primaryKey: false
-  MAX_EXTENTS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: MAX_EXTENTS
-    primaryKey: false
-  LOGGING:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: LOGGING
-    primaryKey: false
-  BACKED_UP:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: BACKED_UP
-    primaryKey: false
-  NUM_ROWS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: NUM_ROWS
-    primaryKey: false
-  BLOCKS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: BLOCKS
-    primaryKey: false
-  EMPTY_BLOCKS:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: EMPTY_BLOCKS
-    primaryKey: false
-  AVG_SPACE:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: AVG_SPACE
-    primaryKey: false
-  CHAIN_CNT:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: CHAIN_CNT
-    primaryKey: false
-  AVG_ROW_LEN:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: AVG_ROW_LEN
-    primaryKey: false
-  DEGREE:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: DEGREE
-    primaryKey: false
-  INSTANCES:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: INSTANCES
-    primaryKey: false
-  CACHE:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: CACHE
-    primaryKey: false
-  TABLE_LOCK:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: TABLE_LOCK
-    primaryKey: false
-  SAMPLE_SIZE:
-    caseSensitive: false
-    dataType: 2
-    generated: false
-    name: SAMPLE_SIZE
-    primaryKey: false
-  LAST_ANALYZED:
-    caseSensitive: false
-    dataType: 93
-    generated: false
-    name: LAST_ANALYZED
-    primaryKey: false
-  PARTITIONED:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: PARTITIONED
-    primaryKey: false
-  IOT_TYPE:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: IOT_TYPE
-    primaryKey: false
-  TEMPORARY:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: TEMPORARY
-    primaryKey: false
-  SECONDARY:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: SECONDARY
-    primaryKey: false
-  NESTED:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: NESTED
-    primaryKey: false
-  BUFFER_POOL:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: BUFFER_POOL
-    primaryKey: false
-  ROW_MOVEMENT:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: ROW_MOVEMENT
-    primaryKey: false
-  GLOBAL_STATS:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: GLOBAL_STATS
-    primaryKey: false
-  USER_STATS:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: USER_STATS
-    primaryKey: false
-  DURATION:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: DURATION
-    primaryKey: false
-  SKIP_CORRUPT:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: SKIP_CORRUPT
-    primaryKey: false
-  MONITORING:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: MONITORING
-    primaryKey: false
-  CLUSTER_OWNER:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: CLUSTER_OWNER
-    primaryKey: false
-  DEPENDENCIES:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: DEPENDENCIES
-    primaryKey: false
-  COMPRESSION:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: COMPRESSION
-    primaryKey: false
-  DROPPED:
-    caseSensitive: false
-    dataType: 12
-    generated: false
-    name: DROPPED
-    primaryKey: false
diff --git a/database/connector/dialect/oracle/src/test/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/OracleSystemDatabaseTest.java b/database/connector/dialect/oracle/src/test/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/OracleSystemDatabaseTest.java
deleted file mode 100644
index 2a08c032ba0..00000000000
--- a/database/connector/dialect/oracle/src/test/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/OracleSystemDatabaseTest.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.shardingsphere.database.connector.oracle.metadata.database;
-
-import org.apache.shardingsphere.database.connector.core.metadata.database.system.DialectSystemDatabase;
-import org.apache.shardingsphere.database.connector.core.spi.DatabaseTypedSPILoader;
-import org.apache.shardingsphere.database.connector.core.type.DatabaseType;
-import org.apache.shardingsphere.infra.spi.type.typed.TypedSPILoader;
-import org.junit.jupiter.api.Test;
-
-import java.util.Collection;
-
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.Matchers.is;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
-class OracleSystemDatabaseTest {
-    
-    @Test
-    void assertGetSystemSchemas() {
-        DatabaseType databaseType = TypedSPILoader.getService(DatabaseType.class, "Oracle");
-        DialectSystemDatabase actual = DatabaseTypedSPILoader.getService(DialectSystemDatabase.class, databaseType);
-        assertThat(actual.getDatabaseType(), is("Oracle"));
-        Collection<String> systemSchemas = actual.getSystemSchemas();
-        assertTrue(systemSchemas.contains("SYS"));
-    }
-}
diff --git a/database/connector/dialect/oracle/src/test/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/option/OracleSchemaOptionTest.java b/database/connector/dialect/oracle/src/test/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/option/OracleSchemaOptionTest.java
index bcea5af9f90..48159996e75 100644
--- a/database/connector/dialect/oracle/src/test/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/option/OracleSchemaOptionTest.java
+++ b/database/connector/dialect/oracle/src/test/java/org/apache/shardingsphere/database/connector/oracle/metadata/database/option/OracleSchemaOptionTest.java
@@ -21,13 +21,11 @@ import org.junit.jupiter.api.Test;
 
 import java.sql.Connection;
 import java.sql.SQLException;
-import java.util.Optional;
 
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNull;
-import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
@@ -60,8 +58,6 @@ class OracleSchemaOptionTest {
     
     @Test
     void assertGetDefaultSystemSchema() {
-        Optional<String> actual = new OracleSchemaOption().getDefaultSystemSchema();
-        assertTrue(actual.isPresent());
-        assertThat(actual.get(), is("SYS"));
+        assertFalse(new OracleSchemaOption().getDefaultSystemSchema().isPresent());
     }
 }
diff --git a/infra/binder/core/src/main/java/org/apache/shardingsphere/infra/binder/engine/segment/dml/from/type/SimpleTableSegmentBinder.java b/infra/binder/core/src/main/java/org/apache/shardingsphere/infra/binder/engine/segment/dml/from/type/SimpleTableSegmentBinder.java
index a68ba08b2f8..083b54adb4c 100644
--- a/infra/binder/core/src/main/java/org/apache/shardingsphere/infra/binder/engine/segment/dml/from/type/SimpleTableSegmentBinder.java
+++ b/infra/binder/core/src/main/java/org/apache/shardingsphere/infra/binder/engine/segment/dml/from/type/SimpleTableSegmentBinder.java
@@ -125,37 +125,12 @@ public final class SimpleTableSegmentBinder {
         }
         DatabaseType databaseType = binderContext.getSqlStatement().getDatabaseType();
         DatabaseTypeRegistry databaseTypeRegistry = new DatabaseTypeRegistry(databaseType);
-        String defaultSchemaName = databaseTypeRegistry.getDefaultSchemaName(binderContext.getCurrentDatabaseName());
-        String tableName = segment.getTableName().getIdentifier().getValue();
-        ShardingSphereSchema defaultSchema = binderContext.getMetaData().getDatabase(binderContext.getCurrentDatabaseName()).getSchema(defaultSchemaName);
         DialectDatabaseMetaData dialectDatabaseMetaData = databaseTypeRegistry.getDialectDatabaseMetaData();
         Optional<String> defaultSystemSchema = dialectDatabaseMetaData.getSchemaOption().getDefaultSystemSchema();
-        if ("Oracle".equals(databaseType.getType())) {
-            if (null != defaultSchema && defaultSchema.containsTable(tableName)) {
-                return Optional.of(new IdentifierValue(defaultSchemaName));
-            }
-            
-            if (!defaultSystemSchema.isPresent()) {
-                return Optional.of(new IdentifierValue(defaultSchemaName));
-            }
-            
-            if (!SystemSchemaManager.isSystemTable(databaseType.getType(), defaultSystemSchema.get(), tableName)) {
-                return Optional.of(new IdentifierValue(defaultSchemaName));
-            }
-            
-            ShardingSphereSchema sysSchema =
-                    binderContext.getMetaData().getDatabase(binderContext.getCurrentDatabaseName()).getSchema(defaultSystemSchema.get());
-            
-            if (null != sysSchema && sysSchema.containsTable(tableName)) {
-                return Optional.of(new IdentifierValue(defaultSystemSchema.get()));
-            }
-            
-            return Optional.of(new IdentifierValue(defaultSchemaName));
-        }
-        if (defaultSystemSchema.isPresent() && SystemSchemaManager.isSystemTable(databaseType.getType(), defaultSystemSchema.get(), tableName)) {
+        if (defaultSystemSchema.isPresent() && SystemSchemaManager.isSystemTable(databaseType.getType(), defaultSystemSchema.get(), segment.getTableName().getIdentifier().getValue())) {
             return Optional.of(new IdentifierValue(defaultSystemSchema.get()));
         }
-        return Optional.of(new IdentifierValue(defaultSchemaName));
+        return Optional.of(new IdentifierValue(databaseTypeRegistry.getDefaultSchemaName(binderContext.getCurrentDatabaseName())));
     }
     
     private static void checkTableExists(final SQLStatementBinderContext binderContext, final ShardingSphereSchema schema, final String tableName, final SimpleTableSegment segment) {
diff --git a/test/it/binder/src/test/java/org/apache/shardingsphere/test/it/sql/binder/SQLBinderIT.java b/test/it/binder/src/test/java/org/apache/shardingsphere/test/it/sql/binder/SQLBinderIT.java
index 54627b498fd..7c6516bae24 100644
--- a/test/it/binder/src/test/java/org/apache/shardingsphere/test/it/sql/binder/SQLBinderIT.java
+++ b/test/it/binder/src/test/java/org/apache/shardingsphere/test/it/sql/binder/SQLBinderIT.java
@@ -28,7 +28,6 @@ import org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData;
 import org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase;
 import org.apache.shardingsphere.infra.metadata.database.resource.ResourceMetaData;
 import org.apache.shardingsphere.infra.metadata.database.rule.RuleMetaData;
-import org.apache.shardingsphere.infra.metadata.database.schema.builder.SystemSchemaBuilder;
 import org.apache.shardingsphere.infra.metadata.database.schema.model.ShardingSphereColumn;
 import org.apache.shardingsphere.infra.metadata.database.schema.model.ShardingSphereIndex;
 import org.apache.shardingsphere.infra.metadata.database.schema.model.ShardingSphereSchema;
@@ -61,7 +60,6 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.Map;
 import java.util.Properties;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -101,8 +99,6 @@ public abstract class SQLBinderIT {
         String defaultSchemaName = new DatabaseTypeRegistry(databaseType).getDefaultSchemaName(databaseName);
         Collection<ShardingSphereTable> tables = "foo_db_1".equalsIgnoreCase(databaseName) ? mockFooDB1Tables() : mockFooDB2Tables();
         result.add(new ShardingSphereSchema(defaultSchemaName, databaseType, tables, Collections.emptyList()));
-        Map<String, ShardingSphereSchema> systemSchemas = SystemSchemaBuilder.build(databaseName, databaseType, new ConfigurationProperties(new Properties()));
-        result.addAll(systemSchemas.values());
         return result;
     }
     
diff --git a/test/it/binder/src/test/resources/cases/dml/select.xml b/test/it/binder/src/test/resources/cases/dml/select.xml
index b7750fd1c7a..537ee3f19fd 100644
--- a/test/it/binder/src/test/resources/cases/dml/select.xml
+++ b/test/it/binder/src/test/resources/cases/dml/select.xml
@@ -1411,69 +1411,4 @@
             </expr>
         </where>
     </select>
-    <select sql-case-id="select_oracle_all_tables_with_column">
-        <projections start-index="7" stop-index="11">
-            <column-projection name="OWNER" start-index="7" stop-index="11">
-                <column-bound>
-                    <original-database name="foo_db_1" />
-                    <original-schema name="SYS" />
-                    <original-table name="ALL_TABLES" />
-                    <original-column name="OWNER" start-delimiter="&quot;" end-delimiter="&quot;" />
-                    <table-source-type name="PHYSICAL_TABLE" />
-                </column-bound>
-            </column-projection>
-        </projections>
-        <from start-index="18" stop-index="27">
-            <simple-table name="ALL_TABLES" start-index="18" stop-index="27">
-                <table-bound>
-                    <original-database name="foo_db_1" />
-                    <original-schema name="SYS" />
-                    <original-table name="ALL_TABLES" />
-                </table-bound>
-            </simple-table>
-        </from>
-    </select>
-    <select sql-case-id="select_oracle_all_tables_unqualified">
-        <projections start-index="7" stop-index="7">
-            <shorthand-projection start-index="7" stop-index="7" />
-        </projections>
-        <from start-index="14" stop-index="23">
-            <simple-table name="ALL_TABLES" start-index="14" stop-index="23">
-                <table-bound>
-                    <original-database name="foo_db_1" />
-                    <original-schema name="SYS" />
-                    <original-table name="ALL_TABLES" />
-                </table-bound>
-            </simple-table>
-        </from>
-    </select>
-    <select sql-case-id="select_oracle_all_sequences_unqualified">
-        <projections start-index="7" stop-index="7">
-            <shorthand-projection start-index="7" stop-index="7" />
-        </projections>
-        <from start-index="14" stop-index="26">
-            <simple-table name="ALL_SEQUENCES" start-index="14" stop-index="26">
-                <table-bound>
-                    <original-database name="foo_db_1" />
-                    <original-schema name="SYS" />
-                    <original-table name="ALL_SEQUENCES" />
-                </table-bound>
-            </simple-table>
-        </from>
-    </select>
-
-    <select sql-case-id="select_oracle_all_synonyms_unqualified">
-        <projections start-index="7" stop-index="7">
-            <shorthand-projection start-index="7" stop-index="7" />
-        </projections>
-        <from start-index="14" stop-index="25">
-            <simple-table name="ALL_SYNONYMS" start-index="14" stop-index="25">
-                <table-bound>
-                    <original-database name="foo_db_1" />
-                    <original-schema name="SYS" />
-                    <original-table name="ALL_SYNONYMS" />
-                </table-bound>
-            </simple-table>
-        </from>
-    </select>
 </sql-parser-test-cases>
diff --git a/test/it/binder/src/test/resources/sqls/dml/select.xml b/test/it/binder/src/test/resources/sqls/dml/select.xml
index 2b5a81129fb..3f161f36136 100644
--- a/test/it/binder/src/test/resources/sqls/dml/select.xml
+++ b/test/it/binder/src/test/resources/sqls/dml/select.xml
@@ -29,8 +29,4 @@
     <sql-case id="select_with_current_select_projection_reference" value="SELECT order_id AS orderId, (SELECT orderId) AS tempOrderId FROM t_order" db-types="MySQL"/>
     <sql-case id="select_with_subquery_table_alias_columns_and_order_by" value="SELECT * FROM (SELECT user_id, user_name FROM t_user WHERE user_id &lt;= 10 UNION SELECT merchant_id, merchant_name FROM t_merchant WHERE merchant_id &lt;= 5) AS combined(id, name) ORDER BY id" db-types="MySQL"/>
     <sql-case id="select_with_outer_join_operator" value="SELECT o.order_id FROM t_order o, t_order_item i WHERE o.order_id = i.order_id(+)" db-types="Oracle"/>
-    <sql-case id="select_oracle_all_tables_with_column" value="SELECT OWNER FROM ALL_TABLES" db-types="Oracle" />
-    <sql-case id="select_oracle_all_tables_unqualified" value="SELECT * FROM ALL_TABLES" db-types="Oracle" />
-    <sql-case id="select_oracle_all_sequences_unqualified" value="SELECT * FROM ALL_SEQUENCES" db-types="Oracle" />
-    <sql-case id="select_oracle_all_synonyms_unqualified" value="SELECT * FROM ALL_SYNONYMS" db-types="Oracle" />
 </sql-cases>
diff --git a/test/it/parser/src/main/resources/case/dml/select.xml b/test/it/parser/src/main/resources/case/dml/select.xml
index 68d0f04d3dd..d41d24ca8c5 100644
--- a/test/it/parser/src/main/resources/case/dml/select.xml
+++ b/test/it/parser/src/main/resources/case/dml/select.xml
@@ -14448,13 +14448,4 @@
             <simple-table name="table_a" start-index="14" stop-index="20" />
         </from>
     </select>
-
-    <select sql-case-id="select_oracle_all_tables_unqualified">
-        <projections start-index="7" stop-index="7">
-            <shorthand-projection start-index="7" stop-index="7" />
-        </projections>
-        <from start-index="14" stop-index="23">
-            <simple-table name="ALL_TABLES" start-index="14" stop-index="23" />
-        </from>
-    </select>
 </sql-parser-test-cases>
diff --git a/test/it/parser/src/main/resources/sql/supported/dml/select.xml b/test/it/parser/src/main/resources/sql/supported/dml/select.xml
index d004caa48b4..6bbad212261 100644
--- a/test/it/parser/src/main/resources/sql/supported/dml/select.xml
+++ b/test/it/parser/src/main/resources/sql/supported/dml/select.xml
@@ -539,5 +539,4 @@
     <sql-case id="select_group_by_match_against_with_rollup" value="SELECT 1 FROM t GROUP BY a, MATCH (a) AGAINST ('abc') WITH ROLLUP;" db-types="MySQL" />
     <sql-case id="select_for_system_time_as_of_hive" value="SELECT * FROM table_a FOR SYSTEM_TIME AS OF '2021-08-09 10:35:57';" db-types="Hive" />
     <sql-case id="select_for_system_version_as_of_hive" value="SELECT * FROM table_a FOR SYSTEM_VERSION AS OF 1234567;" db-types="Hive" />
-    <sql-case id="select_oracle_all_tables_unqualified" value="SELECT * FROM ALL_TABLES" db-types="Oracle" />
 </sql-cases>