Chapter 5. Extending PL/SQL with Java Libraries
Extending stored programs with Java is a very popular solution. PL/SQL is essential to the process of stored Java class libraries. PL/SQL wraps access to the Java class libraries, which means PL/SQL becomes the gate through which data moves to and from Java stored objects.
This chapter stands independent of others in the book since all its content works in currently supported versions of the Oracle database. We'll be covering the following topics:
Java architecture in Oracle
Oracle JDBC connection types
Client-side driver, or JDBC thin driver
Oracle call interface driver, or middle-tier thick driver
Oracle server-side internal driver, or server-tier thick driver
Building Java class libraries in Oracle
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