Oracle Database JDBC Developer's Guide and Reference 10g
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Copyright © Oracle Corp
What is JDBC?
JDBC (Java Database Connectivity) is a standard Java interface for connecting fromJava to relational databases. The JDBC standard was defined by Sun Microsystems,allowing individual providers to implement and extend the standard with their own JDBC drivers.JDBC is based on the X/Open SQL Call Level Interface and complies with the SQL92 Entry Level standard. In addition to supporting the standard JDBC API, Oracle drivers have extensions to support Oracle-specific datatypes and to enhance performance.
Overview of the Oracle JDBC Drivers
This section introduces the Oracle JDBC drivers, their basic architecture, and somescenarios for their use. This information describes the core functionality of all JDBC drivers. However, there is special functionality for the OCI driver, which is described Chapter 19, 'JDBC OCI Extensions'.Oracle provides the following JDBC drivers:
-Thin driver, a 100% Java driver for client-side use without an Oracle installation; can be used with applets and applications
-OCI driver for client-side use with an Oracle client installation; can be used with applications
-server-side Thin driver, which is functionally the same as the client-side Thin driver, but is for code that runs inside an Oracle server and needs to access another session either on the same server or a remote server, including middle-tier scenarios