[Volunteer] Introduce JPA to Simplify Simple SQL and Reduce XML Files

[Aias00]

Volunteer help

Introduce the JPA framework to simplify some of the current simple SQL statements and reduce the number of XML files. Complex SQL statements can temporarily retain the use of XML.

[eye-gu]

I can try it out

[Aias00]

I can try it out

hi，this task should be handled after #6137。 maybe can u help with that first？