Summary
Today, you first saw where JDBC fits into the architecture of the J2EE system. You then saw the JDBC architecture and the layers that constitute it.
The four kinds of JDBC drivers were then introduced:
Type 1 driver— JDBC-ODBC bridge
Type 2 driver— JDBC-native bridge
Type 3 driver— Three-tier driver with a middleware system
Type 4 driver— Pure Java driver
You then saw the limitations of each kind of driver.
You saw what the driver manager does when an application requests a connection. The need for the functionality of connection pooling was made evident.
WebLogic provides a set of drivers to access all kinds of databases. Today, you learned the kinds of drivers that WebLogic provides. You then saw how to configure a connection pool in WebLogic. ...
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