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https://issues.apache.org/jira/browse/FLINK-22885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17358365#comment-17358365
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Jark Wu commented on FLINK-22885:
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Thanks [~RocMarshal]. Usually, we are cautious to add new syntax, because we 
can never change it later. Could you investigate what's the SHOW COLUMNS syntax 
in other systems? e.g. Spark, Hive, Trino, Snowflake, PG, MySQL. 

> Support 'SHOW COLUMNS'.
> -----------------------
>
>                 Key: FLINK-22885
>                 URL: https://issues.apache.org/jira/browse/FLINK-22885
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table SQL / API
>            Reporter: Roc Marshal
>            Priority: Major
>              Labels: SQL
>
> h1. Support 'SHOW COLUMNS'.
> SHOW COLUMNS ( FROM | IN ) <table_name> [LIKE <like_sql_pattern>]



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