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1. JPA Query Validating if input exist in database    stackoverflow.com

I want to validate if input exist in database in netbeans IDE 

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2. Tool to validate JPA queries    stackoverflow.com

All, is there a tool like an SQL client where I can validate a JPA query I get from my system logs/consoles? Meaning, as I can validate a SQL query using a SQL ...

3. Incorrect sql statement reported on @Length validator    forum.hibernate.org

I'm transfering records from one db to another (classic ELT). Reading with straight jdbc but loading JPA entities. The entity (User) uses the @Length(min=2, max=128) on last_name. There are records which fail the test, but when the validator kicks in the reported problematic sql shows a perfect record. In the debugger I can see that the value in the InvalidStateException is ...