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Question 37/59
Your server includes an application that uses a generic JDBC data source to connect to a database.
However, the network connection between the server and the database is not 100% reliable.
You wish to avoid scenarios in which the application fails due to a failed JDBC connection. Identify two data source attributes to help accomplish this.
However, the network connection between the server and the database is not 100% reliable.
You wish to avoid scenarios in which the application fails due to a failed JDBC connection. Identify two data source attributes to help accomplish this.
Correct Answer: A,E
Explanation/Reference:
Explanation:
A: Each connection in a data source has its own individual cache of prepared and callable statements used on the connection. However, you configure statement cache options per data source. That is, the statement cache for each connection in a data source uses the statement cache options specified for the data source, but each connection caches it's own statements.
E: When Test Connections On Reserve is enabled, when your application requests a connection from the data source, WebLogic Server tests the connection using the query specified in Test Table Name before giving the connection to the application.
Testing reserved connections can cause a delay in satisfying connection requests, but it makes sure that the connection is viable when the application gets the connection.
References:
Explanation:
A: Each connection in a data source has its own individual cache of prepared and callable statements used on the connection. However, you configure statement cache options per data source. That is, the statement cache for each connection in a data source uses the statement cache options specified for the data source, but each connection caches it's own statements.
E: When Test Connections On Reserve is enabled, when your application requests a connection from the data source, WebLogic Server tests the connection using the query specified in Test Table Name before giving the connection to the application.
Testing reserved connections can cause a delay in satisfying connection requests, but it makes sure that the connection is viable when the application gets the connection.
References:
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