请问在plsql中执行COMMENT ON COLUMN RM_ASSET.CREATED_BY IS

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请问在plsql中执行COMMENT ON COLUMN RM_ASSET.CREATED_BY IS
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请问在plsql中执行COMMENT ON COLUMN RM_ASSET.CREATED_BY IS
请问在plsql中执行COMMENT ON COLUMN RM_ASSET.CREATED_BY IS

请问在plsql中执行COMMENT ON COLUMN RM_ASSET.CREATED_BY IS
给字段 RM_ASSET.CREATED_BY 加注释“创建人”