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ObjectDB - Object Database for Java (JPA/JDO) [2017-10-19]

and faster applications, especially when the object data model is complex. See JPA benchmark results ... with built in support for the two standard Java database APIs: Java Persistence API (JPA) Java Data
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Database Replication and Clustering [2014-01-11]

the configuration:          <data path="$objectdb/db ... , $replication, under the server data root directory. Starting a new replication of an existing master database
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Index Definition

; : } Indexes in Queries ObjectDB manages a BTree for every index. A BTree is an ordered map data structure ... , but might be still more efficient than iteration over the entities data. A composite index on fields x and y
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Database Connection using JPA [2011-08-30]

of the database file on the server, relative to the server data root path. Connection URL Parameters ... is very useful in tests. However, to avoid the risk of losing data - the drop parameter is ignored
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DELETE Queries in JPA/JPQL

an alternative way for deleting entity objects. Unlike SELECT queries, which are used to retrieve data from the database, DELETE queries do not retrieve data from the database, but when executed, delete specified
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UPDATE SET Queries in JPA/JPQL

an alternative way for updating entity objects. Unlike SELECT queries, which are used to retrieve data from the database, UPDATE queries do not retrieve data from the database, but when executed, update
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Chapter 2 - JPA Entity Classes

JPA Entity classes are user defined classes whose instances can be stored in a database. To store data in an ObjectDB database using JPA you have to define entity classes that represent your application data object model. This chapter explains how to define and use entity classes. 
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Database Replication and Clustering

the configuration:          <data path="$objectdb/db ... , under the server data root directory. Starting a new replication of an existing master database
Result
3

ObjectDB - Object Database for Java (JPA/JDO)

layer. The result is better performance and faster applications, especially when the object data model ... support for the two standard Java database APIs: Java Persistence API (JPA) Java Data Objects (JDO
Manual
3

General Settings and Logging [2012-09-09]

data, such as query results that contain millions of objects. The element specifies temporary ... for data that exceeds a limit size that is specified by the threshold attribute. The mb and kb suffixes