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to the given entity Since: JPA 2.0 List< Expression<?>> getGroupList() Return a list of the grouping expressions. Return a list of the grouping expressions. Returns empty list if no grouping expressions ... expressions Since: JPA 2.0 Predicate getGroupRestriction() Return the predicate that corresponds

Setting and Tuning of JPA Queries

for the first page), the following expression retrieves the results for a specified page: List<Country ... ) .getResultList(); These methods can be invoked in a single expression with getResultList

Query Parameters in JPA

on which it was invoked), so invocation of getSingleResult can be chained to the same expression ... of a simple country name, a malicious user may provide JPQL expressions that change the query

Eclipse Public License - v 1.0

disclaims on behalf of all Contributors all warranties and conditions, express and implied, including ... , THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR


more field update expressions (using the range variable name - if defined). Multiple field update expressions, separated by commas, are also allowed. For example: UPDATE Country SET population = 0

Apache License, Version 2.0, January 2004

KIND, either express or implied, including, without limitation, any warranties or conditions

ObjectDB License Agreement [ver. 2.0.4]

"AS IS" without a warranty of any kind. All express or implied representations and warranties

[ODB1] Chapter 6 - Persistent Objects

, sophisticated queries. The results can also be sorted by specified order expressions. Chapter 7 ... . Therefore, a persistent object obj is locked only when the following expression evaluates to true


, a regular permission check is made. The regular permission check requires that all callers


classes is checked, and if not present, a regular permission check is made. The regular permission check

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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