[GitHub] [doris] BePPPower commented on a diff in pull request #14924: [Docs](jdbc catalog) add docs for jdbc catalog

[GitBox <gi...@apache.org>]

BePPPower commented on code in PR #14924:
URL: https://github.com/apache/doris/pull/14924#discussion_r1042990981


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docs/zh-CN/docs/ecosystem/external-table/multi-catalog.md:
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@@ -371,6 +372,100 @@ mysql> select * from test;
     
 之后，可以像正常的 Hive MetaStore 一样，访问 DLF 下的元数据。 
 
+### 连接JDBC
+
+以下示例，用于创建一个名为 jdbc 的 Catalog, 通过jdbc 连接指定的Mysql。
+jdbc Catalog会根据`jdbc.jdbc_url` 来连接指定的数据库（示例中是`jdbc::mysql`, 所以连接MYSQL数据库），当前只支持MYSQL数据库类型。
+```sql
+CREATE CATALOG jdbc PROPERTIES (
+    "type"="jdbc",
+    "jdbc.user"="root",
+    "jdbc.password"="123456",
+    "jdbc.jdbc_url" = "jdbc:mysql://127.0.0.1:13396/demo",
+    "jdbc.driver_url" = "file:/mnt/disk2/ftw/tools/jar/mysql-connector-java-5.1.47/mysql-connector-java-5.1.47.jar",
+    "jdbc.driver_class" = "com.mysql.jdbc.Driver"
+);
+```

Review Comment:
   ok



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