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8

Obtaining a JPA Database Connection

that modify the database content, such as persist and remove. Database updates are collected and managed
8

Eclipse Public License - v 1.0

of this Agreement must be included with each copy of the Program. Contributors may not remove or alter any copyright
8

Posting Sample Code

unit). Keep the test as simple as possible - remove unnecessary code (but keep it complete
8

ObjectDB Object Database Features

automatically. Removed fields are handled automatically. Most field type changes are handled automatically
8

ObjectDB Website - Terms and Conditions of Use

any software contained on ObjectDB Software's web site; remove any copyright or other proprietary
8

Database Explorer

to a new object (not necessarily an entity object). Elements can be removed from the collection using
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javax.persistence.criteria.CriteriaQuery

removed. Parameters: grouping - list of zero or more grouping expressions Returns: the modified query ... expressions are specified, any previously added grouping expressions are simply removed. This method ... previously added grouping expressions are simply removed. Parameters: grouping - zero or more grouping
0

[ODB1] Chapter 3 - Persistent Classes

to persistent classes do not affect the database. This includes adding, removing and changing
0

javax.jdo.PersistenceManagerFactory

. Since: JDO 2.0 See Also: close() void removeAllFetchGroups() Remove all FetchGroups from the set of active FetchGroups. Remove all FetchGroups from the set of active FetchGroups. All removed FetchGroups ... for JDOPermission ("manageMetadata") Since: JDO 2.2 void removeFetchGroups( FetchGroup... groups) Remove
0

javax.jdo.FetchGroup

is removed from the set of active FetchGroups via PersistenceManagerFactory.removeFetchGroups ... FetchGroup removeCategory(String categoryName) Remove the members (fields or properties) of the named category from the set of members in this FetchGroup. Remove the members (fields or properties) of the named

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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