What is multi DataSource in WebLogic?

Asked By: Junjie Buztinaga | Last Updated: 22nd February, 2020
Category: technology and computing databases
5/5 (68 Views . 23 Votes)
An Oracle Weblogic Multi Data Source is an abstraction around a Data Source that provides load balancing or failover processing between the Data Sources associated with the multi data source. This can be either load balancing or failover.

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Considering this, what is datasource in WebLogic?

A data source is an object that enables a Java Database Connectivity (JDBC) client to obtain a database connection. WebLogic JDBC data sources provide database access and database connection management.

Similarly, what is data source in SOA? A datasource, as its name implies, is anything that acts as a source for data. Database is a source of data, and it has to be configured as a datasource to the SOA infrastrucure. Datasource in specific to the Weblogic Server is the connection to the actual underlying data provider.

Similarly one may ask, what is generic datasource in WebLogic?

Oracle WebLogic Server provides three types of data sources: Generic Data SourcesGeneric data sources and their connection pools provide connection management processes that help keep your system running efficiently. You can set options in the data source to suit your applications and your environment.

What is GridLink data source?

What is a GridLink Data Source. A single GridLink data source provides connectivity between WebLogic Server and an Oracle Database service targeted to an Oracle RAC cluster. It uses the Oracle Notification Service (ONS) to adaptively respond to state changes in an Oracle RAC instance.

15 Related Question Answers Found

What is JNDI WebLogic?

The WebLogic Server JNDI Service Provider Interface (SPI) provides an InitialContext implementation that allows remote Java clients to connect to WebLogic Server.

What is a JDBC DataSource?

JDBC DataSource is an interface of package javax. sql. DataSource. This interface is mostly preferred over DriverManager class because it allows the detail about database to your application program. DataSource object increases the application portability .

What is connection pool in WebLogic?

A connection pool is a named group of identical JDBC connections to a database that are created when the connection pool is registered, usually when starting up WebLogic Server. Your application "borrows" a connection from the pool, uses it, then returns it to the pool by closing it.

What is the difference between JDBC and JNDI?

Well these are two different things. JDBC is Java Database Connectivity API, while JNDI is Java Naming and Directory Interface API. In short words: JDBC is Database realm, JNDI lets you store Objects in a virtual context (the Directory) that can be local, remote (implementation details usually don't matters).

What does data source mean?

A data source, in the context of computer science and computer applications, is the location where data that is being used come from. In a database management system, the primary data source is the database, which can be located in a disk or a remote server.

What is javax SQL DataSource?

javax.sql.DataSource. An interface that is a factory for connections to the physical data source that the object represents. An object that implements the DataSource interface will typically be registered with a naming service based on the Java Naming and Directory (JNDI) API.

What is database connection pool size?

A connection pool is created for each unique connection string. When a pool is created, multiple connection objects are created and added to the pool so that the minimum pool size requirement is satisfied. Connections are added to the pool as needed, up to the maximum pool size specified (100 is the default).

How do I restart data source in Weblogic console?

To restart a data source using the Administration Console:
  1. In the Change Center of the Administration Console, click Lock & Edit.
  2. In the Domain Structure tree, expand Services > JDBC and select Data Sources.
  3. Select the name of the data source that you want to restart and select the Targets tab.

What is DB adapter in WebLogic?

Database Adapter configuration in WebLogic Server. Oracle database adapter is a JCA connector, which is a DBAdapter. The DB adapter enables the Oracle SOA Suite application (ex: a BPEL process) communicate to the Oracle database via a JNDI data source. The DB adapter relies on the JDBC driver to establish communication

What is JNDI SOA?

When SOA composites are deployed in weblogic server, they require Outbound connection pool to communicate with Database. JNDI Name used for creating connection pool should match the value entered for database connection when building application using JDeveloper.