About query

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Manual
211

DELETE Queries in JPA/JPQL

. Applying changes to the database by calling the commit method. JPQL DELETE queries provide an alternative way for deleting entity objects. Unlike SELECT queries, which are used to retrieve data from the database, DELETE queries do not retrieve data from the database, but when executed, delete specified
Manual
210

JPA Query Structure (JPQL / Criteria)

The syntax of the Java Persistence Query Language (JPQL) is very similar to the syntax of SQL. Having a SQL like syntax in JPA queries is an important advantage because SQL is a very powerful query ... classes and objects. For example, a JPQL query can retrieve and return entity objects
Manual
210

UPDATE SET Queries in JPA/JPQL [2011-11-22]

. Applying changes to the database by calling the commit method. JPQL UPDATE queries provide an alternative way for updating entity objects. Unlike SELECT queries, which are used to retrieve data from the database, UPDATE queries do not retrieve data from the database, but when executed, update
Manual
210

UPDATE SET Queries in JPA/JPQL

. Applying changes to the database by calling the commit method. JPQL UPDATE queries provide an alternative way for updating entity objects. Unlike SELECT queries, which are used to retrieve data from the database, UPDATE queries do not retrieve data from the database, but when executed, update
Manual
203

Chapter 4 - JPA Queries (JPQL / Criteria) [2011-04-01]

The JPA Query Language (JPQL) can be considered as an object oriented version of SQL. Users ... well as how to use the JPA Criteria API, which provides an alternative way for building queries in JPA ... (named) queries. It explains how to use the relevant interfaces, annotations, enums and methods
Manual
203

Chapter 4 - JPA Queries (JPQL / Criteria) [2018-09-15]

The JPA Query Language (JPQL) can be considered as an object oriented version of SQL. Users ... well as how to use the JPA Criteria API, which provides an alternative way for building queries in JPA ... (named) queries. It explains how to use the relevant interfaces, annotations, enums and methods
Manual
203

JPA Query Expressions (JPQL / Criteria) [2012-03-07]

Query expressions are the foundations on which JPQL and criteria queries are built. Every query ... of JPQL / Criteria query expressions. Atomic Expressions The atomic query expressions are: JPQL / Criteria Variables JPQL / Criteria Parameters JPQL / Criteria Literals Every query expression consists
Manual
203

Chapter 4 - JPA Queries (JPQL / Criteria)

The JPA Query Language (JPQL) can be considered as an object oriented version of SQL. Users ... well as how to use the JPA Criteria API, which provides an alternative way for building queries in JPA ... (named) queries. It explains how to use the relevant interfaces, annotations, enums and methods
Manual
203

JPA Query Expressions (JPQL / Criteria)

Query expressions are the foundations on which JPQL and criteria queries are built. Every query ... of JPQL / Criteria query expressions. Atomic Expressions The atomic query expressions are: JPQL / Criteria Variables JPQL / Criteria Parameters JPQL / Criteria Literals Every query expression consists
Manual
203

JPA Query Expressions (JPQL / Criteria) [2019-08-09]

Query expressions are the foundations on which JPQL and criteria queries are built. Every query ... of JPQL / Criteria query expressions. Atomic Expressions The atomic query expressions are: JPQL / Criteria Variables JPQL / Criteria Parameters JPQL / Criteria Literals Every query expression consists