Find EMP tables without SAL column

We have EMP tables in several of our schemas. Some of these EMP tables have SAL column missing.
How can i find the schemas whose EMP tables have a missing SAL column from DBA_TAB_COLS view?

Hi,
Here's another way, that only requires one pass throught the view:
SELECT       owner
FROM       dba_tab_cols
WHERE       table_name     = 'EMP'
GROUP BY owner
HAVING       COUNT (CASE WHEN column_name = 'SAL' THEN 1 END)     = 0
ORDER BY owner
;This might be more efficient, but, unless you have thousands of tables called EMP, you won't notice it. You might keep this tecnique in mind for similar problems where efficency is imporatant.

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SQL> select * from v$version;
BANNER
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Centinul:
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Find EMP tables without SAL column

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