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JDBC Resources
A Java DataBase Connectivity (JDBC) resource (data source) provides applications with the means of connecting to a database. Typically, the administrator creates a JDBC resource for each database accessed by the applications deployed in a domain; however, more than one JDBC resource can be created for a database.
Applications get a database connection from a connection pool by looking up a data source on the Java Naming and Directory Interface (JNDI) API tree and then requesting a connection. The connection pool associated with the data source provides the connection to the application.
Use the JDBC Resources page to configure JDBC resources.
For each resource, the following information is provided.
- JNDI Name
-
A unique name that identifies the JDBC resource.
- Logical JNDI Name
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The logical JNDI name for the resource. See Logical JNDI Names for more information.
- Enabled
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(This column is displayed if only the default server instance, server
, exists in the domain.)
A check mark if the resource is enabled, or an X if the resource is disabled.
- Status
-
(This column is displayed if any clusters or standalone instances have been created in the domain.)
The number of clusters and standalone instances to which the resource is targeted and how many of these targets the resource is enabled on. For example, "Enabled on 2 of 4 Target(s)" means that the resource is targeted to four clusters and standalone instances and that it is enabled on two of these four targets.
- Connection Pool
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The JDBC connection pool associated with the resource.
- Description
-
A short description of the resource.
The Resources table also contains the following options.
- New
-
Button to create a new resource.
- Delete
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Button to delete one or more selected resources.
- Enable
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Button to enable one or more selected resources.
- Disable
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Button to disable one or more selected resources.
Related Tasks
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Related asadmin Commands
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