云数据库 GAUSSDB-TRUNCATE:语法格式

时间:2024-11-13 14:46:27

语法格式

  • 清理表数据。
    TRUNCATE [ TABLE ] [ ONLY ] {table_name [ * ]} [, ... ]
        [ CONTINUE IDENTITY ] [ CASCADE | RESTRICT] [ PURGE ];

  • 清理表分区的数据。
    ALTER TABLE [ IF EXISTS  ] { [ ONLY  ] table_name  
                               | table_name *  
                               | ONLY ( table_name )  } 
        TRUNCATE PARTITION { partition_name  
                           | FOR (  partition_value  [, ...] )  } [ UPDATE GLOBAL INDEX ];

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