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The views expressed on this blog are my own and do not necessarily reflect the views of Oracle.

Friday, January 25, 2008

Oracle SQL Finding Primary Key on a table

To find the primary key defined on a database table in oracle you can use:

SELECT cols.table_name, cols.column_name, cols.position, cons.status, cons.owner
FROM all_constraints cons, all_cons_columns cols
WHERE cols.table_name = 'TABLE_NAME'
AND cons.constraint_type = 'P'
AND cons.constraint_name = cols.constraint_name
AND cons.owner = cols.owner
ORDER BY cols.table_name, cols.position;
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