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Get all constraints in Oracle

 To get all the constraints created in Oracle database, use below query.


            SELECT * FROM USER_CONSTRAINTS;

If you want to get the constraints created for a particular user then use below SQL query.


            SELECT * FROM USER_CONSTRAINTS where owner = 'userName';
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  1. Noah30 August 2021 at 01:47

    If you want to get the more clear information like columns then use the below SQL query:

    SELECT constraint_name, constraint_type, column_name from user_constraints natural join user_cons_columns where table_name = 'tableName';

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