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‘

*/

oracle比较两个库同表栏目差异