ORA-00972: identifier is too long


Sometimes you can get “ORA-00972: identifier is too long ” error.

Details of error are as follows.

ORA-00972: identifier is too long

Cause: An identifier with more than 30 characters was specified.
Action: Specify at most 30 characters.

Table names, column names or aliases should not be more than 30 characters. You should specify their names at most 30 characters.
This restriction has been disabled on Oracle 18c, Oracle 19c and Oracle 20c beyond, if you are using Oracle 12c or Oracle 11g and if you must use table names more than 30 characters, than you need to upgrade your database.



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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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