oracle比较两个库同表栏目差异
select T.COLUMN_NAME,t.data_type ,c.comments from ALL_TAB_COLUMNS T ,user_col_comments c where 1=1 and c.table_name = t.table_name and c.column_name=t.column_name and t.OWNER=‘ATS001‘ and T.TABLE_NAME = ‘ENTITIES‘ minus select T.COLUMN_NAME,t.data_type ,c.comments from ALL_TAB_COLUMNS T ,user_col_comments c where 1=1 and c.table_name = t.table_name and c.column_name=t.column_name and t.OWNER=‘ATS002‘ and T.TABLE_NAME = ‘ENTITIES‘ --union /*select T.COLUMN_NAME from ALL_TAB_COLUMNS T where T.TABLE_NAME = ‘ACCOUNTAPPLIES‘ and t.OWNER=‘ATS002‘ */
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