ObjectDB ObjectDB

Internal Website Search

31-40 of 97 resultsRefresh

Is there any restriction when using fetch=FetchType.LAZY ?

Is there any restriction when using fetch=FetchType.LAZY ?

GROUP BY and HAVING clauses

restrictions on SELECT clause in grouping queries also apply to the HAVING clause, which means that individual ... with all the attached restrictions, even when a GROUP BY clause is not specified. Therefore, in this case


: subquery - subquery Returns: all expression Since: JPA 2.0 Predicate and( Predicate... restrictions) Create a conjunction of the given restriction predicates. Create a conjunction of the given restriction predicates. A conjunction of zero predicates is true. Parameters: restrictions - zero or

JPA Lifecycle Events

by the subclass. Implementation Restrictions To avoid conflicts with the original database operation

ORDER BY clause (JPQL / Criteria API)

are more restrictive. Path expressions are supported by all the JPA implementations but support for other JPQL

General Settings and Logging

its own inactivity timeout on sockets a more restrictive inactivity timeout has to be specified

ObjectDB Website - Terms and Conditions of Use

of these restrictions and may be terminated by ObjectDB Software at any time. Upon terminating your viewing


Method javax.persistence.criteria.AbstractQuery Predicate getRestriction() Return the predicate that corresponds to the where clause restriction(s), or null if no restrictions have been specified. Returns: where clause predicate Since: JPA 2.0

[ODB1] Chapter 6 - Persistent Objects

(...) method is not restricted to only storing instances of persistent classes, but can directly store

[ODB1] Chapter 1 - About ObjectDB

, but has some additional restrictions and limitations. This developer's guide is for all ObjectDB

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support