About multiplication

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Manual
16

SELECT clause (JPQL / Criteria API)

propagated to the database. Multiple SELECT Expressions The SELECT clause may also define composite ... with multiple SELECT expressions, where custom result objects can provide an object oriented alternative ... of arguments representing multiple selections, and builds a CompoundSelection instance based
Manual
16

JPA Lifecycle Events

but no more than one callback method for the same event. However, the same method may be used for multiple callback ... @EntityListeners(MyListener.class) public class MyEntityWithListener { } Multiple listener classes ... If more than one callback method has to be invoked for a lifecycle event (e.g. from multiple
Manual
13

Numbers in JPQL and Criteria Queries

:  + (addition), - (subtraction), * (multiplication) and / (division). ObjectDB also supports ... , path); // number - expression // Multiplication (*) Expression prod1 = cb.prod(path
Manual
13

Database Connection using JPA

functionality for performing operations on a database. Many applications require multiple database connections ... . a pool of sockets), provides an efficient way to construct multiple EntityManager instances
Manual
13

UPDATE SET Queries in JPA/JPQL

variable name) for iteration. Multiple variables and JOIN are not supported. The SET clause defines one or more field update expressions (using the range variable name - if defined). Multiple field update
Manual
13

JPA Primary Key

. Reference to an entity object. Composite Primary Key A composite primary key consist of multiple ... ; : } When an entity has multiple primary key fields, JPA requires defining a special ID class
Manual
13

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

variable name) for iteration. Multiple variables and JOIN are not supported. The SET clause defines one or more field update expressions (using the range variable name - if defined). Multiple field update
Manual
13

Detached Entity Objects

that are referenced by that field (multiple entity objects can be referenced by a collection field ... that are referenced by that field (multiple entity objects can be referenced by a collection field
Manual
13

JPA Persistable Types

only once even if they are referenced multiple times. Referencing instances of other persistable types from multiple
JPA Doc
13

Criteria Query Selection and Results

of Expression, any criteria expression can be used as the SELECT clause content. Multiple selection ... of a query with multiple expressions in the SELECT clause) using tuples: The Tuple interface