ORA-02437: cannot validate (string.string) - primary key violated - Oracle Database 12c Error Msg

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In this video we are going to see how to fix below Oracle Database 12c Error Message.

ORA-02437: cannot validate (string.string) - primary key violated.
Cause: attempted to validate a primary key with duplicate values or null values.
Action: remove the duplicates and null values before enabling a primary key.

#12c #oracledatabase12c #oracledatabase #oracledba #sql #oraclesql #oraerrors #oracleerrorcodes #dba #database



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