Spring Data JPA database operations - complex queries
According to conditions of the query, custom query methods
1. First declare a custom query method entities in the Repository
Spring Boot JPA will automatically generate the corresponding sql database query method according to the statement entity, it is necessary to put the name in accordance with the rules of definitions:
findBy + query
2. The definition of a good entity query methods, call the sql query is automatically generated in the service to the
3. then define a corresponding query method BookApp
Query parameters Chinese, English support
Content database
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