ORA-01779: cannot modify a column which maps to a non key-preserved table

I got ” ORA-01779: cannot modify a column which maps to a non key-preserved table ” error in Oracle database.

 

ORA-01779: cannot modify a column which maps to a non key-preserved table

 

Details of error are as follows.

ORA-01779: cannot modify a column which maps to a non key-preserved table

Cause: An attempt was made to insert or update columns of a join view which map to a non-key-preserved table.

Action: Modify the underlying base tables directly.

 

 

cannot modify a column which maps to a non key-preserved table

This ORA-01779 errors are related with the attempt was made to insert or update columns of a join view which map to a non-key-preserved table.

You can Modify the underlying base tables directly and Try updating the tables directly.

Or You can use work around is to use  MERGE to do this.

 

Do you want to learn Oracle Database for Beginners, then read the following articles.

Oracle Tutorial | Oracle Database Tutorials for Beginners ( Junior Oracle DBA )

 

About Mehmet Salih Deveci

I am Founder of SysDBASoft IT and IT Tutorial and Certified Expert about Oracle & SQL Server database, Goldengate, Exadata Machine, Oracle Database Appliance administrator with 10+years experience.I have OCA, OCP, OCE RAC Expert Certificates I have worked 100+ Banking, Insurance, Finance, Telco and etc. clients as a Consultant, Insource or Outsource.I have done 200+ Operations in this clients such as Exadata Installation & PoC & Migration & Upgrade, Oracle & SQL Server Database Upgrade, Oracle RAC Installation, SQL Server AlwaysOn Installation, Database Migration, Disaster Recovery, Backup Restore, Performance Tuning, Periodic Healthchecks.I have done 2000+ Table replication with Goldengate or SQL Server Replication tool for DWH Databases in many clients.If you need Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS Consultancy and Training you can send my email adress [email protected].-                                                                                                                                                                                                                                                 -Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS ve linux Danışmanlık ve Eğitim için  [email protected] a mail atabilirsiniz.

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