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Persistence Unit: General Configuration

Configuration Options     Related Tasks     Related Topics

This page shows the general attributes of a persistence unit.

Configuration Options

Name Description

The name used to reference this given configuration.


The provider class to provide persistence services.


The description of this unit.

Transaction Type

The transaction type for the given entity manager.

Data Cache Timeout

The number of milliseconds that data in the data cache is valid for. A value of 0 or less means that by default, cached data does not time out.

Fetch Batch Size

The number of rows that will be pre-fetched when an element in a result is accessed. Use -1 to pre-fetch all results.

Default Schema Name

The default schema for unqualified table names.


The name of a property.


The associated value.


The name to identify this cache for metadata and runtime purposes.


Type of this unit.

Related Tasks

Related Topics

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