MySQL :: Re: How do I create my table to avoid java.sql.SQLIntegrityConstraintViolationException: Duplicate entry '' for key 'PRIMARY'

New Topic

Re: How do I create my table to avoid java.sql.SQLIntegrityConstraintViolationException: Duplicate entry '' for key 'PRIMARY'

Posted by: Filipe Silva
Date: January 07, 2019 06:08AM

Hi Karen,

Yes. This way when you delete a record from the `tutors` table, all corresponding records from `tutor_subject` also get deleted.

Mind that this was just an example. Your use case specifications will determine what you may really need.

Navigate: Previous Message• Next Message

Options: Reply• Quote

Subject

Written By

Posted

How do I create my table to avoid java.sql.SQLIntegrityConstraintViolationException: Duplicate entry '' for key 'PRIMARY'

Karen Goh

December 28, 2018 07:11AM

Re: How do I create my table to avoid java.sql.SQLIntegrityConstraintViolationException: Duplicate entry '' for key 'PRIMARY'

Filipe Silva

December 29, 2018 04:49AM

Re: How do I create my table to avoid java.sql.SQLIntegrityConstraintViolationException: Duplicate entry '' for key 'PRIMARY'

Karen Goh

December 30, 2018 03:37AM

Re: How do I create my table to avoid java.sql.SQLIntegrityConstraintViolationException: Duplicate entry '' for key 'PRIMARY'

Filipe Silva

January 02, 2019 04:28AM

Re: How do I create my table to avoid java.sql.SQLIntegrityConstraintViolationException: Duplicate entry '' for key 'PRIMARY'

Karen Goh

January 06, 2019 03:31AM

Re: How do I create my table to avoid java.sql.SQLIntegrityConstraintViolationException: Duplicate entry '' for key 'PRIMARY'

Filipe Silva

January 07, 2019 06:08AM

Re: How do I create my table to avoid java.sql.SQLIntegrityConstraintViolationExceptio n: Duplicate entry '' for key 'PRIMARY'

Karen Goh

January 07, 2019 08:39AM

Sorry, you can't reply to this topic. It has been closed.

Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party.