To connect to a database form a batch application, directly use JDBC drivers or use resource adapters provided on Application Server. Use DB Connector if you want to use a resource adapter. The following table describes the functionality that you can use when connecting to a database from a batch application, for each connection method. If you use DB Connector, in addition to the functionality mentioned in the table below, you can also use the functionality provided by DB Connector. For details on the functionality provided by DB Connector, see 2.7.4(1) Resource adapter functionality.

Table 2-19 Functionality that you can use when connecting to a database

Functionality that you can use			How to connect
			DB Connector	JDBC driver
Executing SQL			Y	Y
Using transactions	Transactions by Connection API		Y	Y
	JTA	Local transactions	Y	N
		Global transactions	N	N
Garbage collection control functionality			Y	N

Legend:

Y: Can be used

N: Cannot be used