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Oracle Database 12c PL/SQL Advanced Programming Techniques by John Harper, Michael McLaughlin

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CHAPTER4

Java I/O Libraries

Purpose

This chapter teaches you how to replace the utl_file and dbms_lob packages with Java libraries. It shows you how to develop and deploy Java I/O libraries inside the database, and how to wrap these libraries with PL/SQL. To accomplish this, we’ll show you how to gain access to the physical directories that map to Oracle Database 12c’s virtual directories.

Advantages

As of Oracle Database 10g forward, you can write and deploy Java libraries that extend the reach of the Oracle database. Java I/O libraries enable you to develop tools that can interact directly with external files. The external files can be on the ...

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