[Hadoop Wiki] Update of "Hive/LanguageManual/DDL" by PrasadChakka

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The following page has been changed by PrasadChakka:
http://wiki.apache.org/hadoop/Hive/LanguageManual/DDL

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  === Create Table ===
  {{{
  CREATE [EXTERNAL] TABLE [IF NOT EXISTS] table_name 
-   [(col_name data_type [col_comment], col_name data_type [col_comment], ...)]
+   [(col_name data_type [col_comment], col_name data_type [COMMENT col_comment], ...)]
    [table_comment]
-   [PARTITIONED BY (col_name data_type [col_comment], col_name data_type [col_comment], ...)]
+   [PARTITIONED BY (col_name data_type [col_comment], col_name data_type [COMMENT col_comment], ...)]
    [CLUSTERED BY (col_name, col_name, ...) [SORTED BY (col_name, ...)] INTO num_buckets BUCKETS]
    [ROW FORMAT row_format]
    [STORED AS file_format]
@@ -157, +157 @@

  
  === Add/Repalce Columns ===
  {{{
- ALTER TABLE table_name ADD|REPLACE COLUMNS (col_name data_type [col_comment], ...)
+ ALTER TABLE table_name ADD|REPLACE COLUMNS (col_name data_type [COMMENT col_comment], ...)
  }}}
  
  ADD COLUMNS lets you add new columns to the end of the existing columns but before the partition columns.