T.I.L_221101

What’s New for Today

1. JPA 복습
   • JPA_Entity_Field
     • entity field
     • id
   • JPA_Association
     • association
     • mapping
   • JPA_Association2
     • associtation
     • manytoone, onetomany
     • onetoone
     • manytoone
2. Spring
   • jdbc
     • what is jdbc
   • connection_pool
     • hikaricp
     • connection pool performance
   • transaction
     • transaction
     • lock
     • sending connection object as parameter
   • transactionTemplate
     • transaction synchronization manager
     • transactional AOP
   • error_conversion_jdbc_template
     • Spring Type Error Conversion
     • JDBC Template