Data access overview

See these topics for an overview of WAS and data access.

Connection management architecture
This topic describes the architecture of connection management in WAS.

Connection pooling
WAS provides a pool of database connections, which reduces the performance overhead of creating new connections. See this topic for a description of how connection pooling works.

Transactional processing with WAS and DB2
This topic provides iSeries-specific information about transactions and DB2 UDB for iSeries.