JPA

4 articles

Projections and Result Transformations in JPA Criteria Queries

Optimize JPA queries with projections & result transformations. Learn efficient data retrieval & customization in Java Persistence API. Real examples included.

jpa2 years ago

write join queries using jpa criteria queries

jpa2 years ago

write join queries using jpa criteria queries

Learn how to create join queries using JPA Criteria Queries easily. Explore a beginner-friendly guide to crafting effective join queries and improving your database querying skills with JPA's criteria API.

jpa6 years ago

Select values in criteria query - select, multiselect, tuple query

jpa6 years ago

Select values in criteria query - select, multiselect, tuple query

JPA specification provides different ways to select values in criteria query. select, multiselect and tuple queries are used to select single or multiple values from one or more entities

jpa7 years ago

Programmatic Criteria Queries using JPA Criteria API

jpa7 years ago

Programmatic Criteria Queries using JPA Criteria API

Criteria Queries in JPA are type-safe and portable way of fetching data. It provides methods such as Criteria Join, Fetch Join, aggregate functions and sub queries to fetch data.