This video explains about the frequently asked interview question - N+1 problem in hibernate/relational database.
0:00 - Introduction
0:38 - What is N+1 problem in hibernate?
2:29 - Explaining N+1 problem through code (Intellij)
7:25 - Why is this N+1 problem occuring?
8:26 - N+1 problem solution through JPA
9:30 - Join fetch explanation through code
13:30 - Entity Graph explanation through code
17:37 - N+1 problem solution through HQL (Hibernate solution)