Oracle DB Error ORA-02437 cannot validate (string.string) - primary key violated

Oracle DB Error ORA-02437 cannot validate (string.string) - primary key violated

The following is the cause of this error:

An attempt was made to validate a primary key with duplicate values or null values.

Action you can take to resolve this issue: Remove the duplicates and null values before enabling a primary key.


Tags: Database, Microsoft, SQL, Oracle, Software, DBMS




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