Blogs

Grails

Grails unique constraint is very powerful way to check duplicate keys in any DBMS, but it has some impact on application performance. Lets check it by one example: Suppose we have one domain having the following structure: [code] class User { String firstName String lastName String emailId static constraints = { emailId nullable: false, blank: […]

Deepak Kumar Mittal December 20, 2014

Read→