### Relevant Articles:
- [Patterns for Iterating Over Large Result Sets With Spring Data JPA](https://www.baeldung.com/spring-data-jpa-iterate-large-result-sets)
- [Count the Number of Rows in Spring Data JPA](https://www.baeldung.com/spring-data-jpa-row-count)
- [A Guide to Spring AbstractRoutingDatasource](https://www.baeldung.com/spring-abstract-routing-data-source)
- [How To Use findBy() With Multiple Columns in JPA](https://www.baeldung.com/spring-data-jpa-findby-multiple-columns)
- More articles: [[<-- prev]](../spring-boot-persistence-2)