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Manual
42

GROUP BY and HAVING clauses

HAVING COUNT(c) > 1 can be built using the criteria query API as follows: CriteriaQuery
Result
37

ObjectDB Object Database Features

support of the JPA and JDO APIs. Fundamental features of relational databases (e.g. primary keys, derived ... ). Standard Persistence APIs ObjectDB is the only Object-Oriented Database with built in support for JPA 2. Java Persistence API (JPA) Most features of JPA 2 are supported. Support for remaining
Result
33

ObjectDB - Object Database for Java (JPA/JDO)

for developing Java database applications using the Java Persistence API (JPA). It is the first persistence ... ... Protect your investment - use a standard Java API ObjectDB is the first Object Oriented Database with built in support for the two standard Java database APIs: Java Persistence API (JPA) Java Data
Manual
31

Query Parameters in JPA

(:) followed by a valid JPQL identifier that serves as the parameter name. JPA does not provide an API for defining the parameters explicitly (except when using criteria API), so query parameters ... . Criteria Query Parameters In a JPA query that is built by using the JPA Criteria API - parameters
Manual
30

Collections in JPQL and Criteria Queries

Shows how collections and maps can be used in JPQL queries.
JPA Doc
30

Criteria Query Expressions

Reference (JavaDoc) of JPA query expression interfaces, including Expression, Predicate, Path, ParameterExpression and Subquery.
JPA Doc
30

Criteria Query From Elements

Reference (JavaDoc) of JPA query criteria FROM clause interfaces, including From, Root, Join and Fetch.
Manual
30

Date and Time in JPQL and Criteria Queries

Shows how date and time can be used in JPQL queries.
Manual
30

JPA Query Expressions (JPQL / Criteria)

Describes JPA query (JPQL / Criteria API) expressions (literals, operators and functions).
Manual
30

JPA Query Structure (JPQL / Criteria)

Explains the structure of a JPQL query, which consists of 6 clauses: SELECT, FROM, WHERE, GROUP BY, HAVING, ORDER BY.