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Advanced Oracle PL/SQL Developer's Guide (Second Edition)

You're reading from Advanced Oracle PL/SQL Developer's Guide (Second Edition) Master the advanced concepts of PL/SQL for professional-level certification and learn the new capabilities of Oracle Database 12c

Product type Paperback

Published in Feb 2016

Publisher

ISBN-13 9781785284809

Length 428 pages

Edition 2nd Edition

Languages

SQL

Tools

Oracle Database

Concepts

Database Administration

Author (1):

Saurabh K. Gupta

View More author details

Table of Contents (14) Chapters

Preface

1. Overview of PL/SQL Programming Concepts FREE CHAPTER

2. Oracle 12c SQL and PL/SQL New Features

3. Designing PL/SQL Code

4. Using Collections

5. Using Advanced Interface Methods

6. Virtual Private Database

7. Oracle SecureFiles

8. Tuning the PL/SQL Code

9. Result Cache

10. Analyzing, Profiling, and Tracing PL/SQL Code

11. Safeguarding PL/SQL Code against SQL injection

12. Working with Oracle SQL Developer

Index

Executing Java programs from PL/SQL

Like the C programs, Java programs can also natively execute in the Oracle Database. However, unlike C external programs, the Java classes and Java source files are stored as schema objects in the database.

External Java programs are not executed through OS-based shared libraries but use a Java shared library or libunit for execution. Libunits are similar to dynamically linked libraries but they are mapped one-to-one to the Java class and are not sharable across the other methods.

The libunit is loaded and executed by the Java Virtual Machine (JVM) which resides natively in the Oracle Database. The JVM uses the Java pool component of the shared global area to execute the Java-based external program.

Loading a Java class into a database

A Java program can be loaded into an Oracle Database by using the CREATE JAVA statement or the LOADJAVA utility.

The CREATE JAVA statement enables the Java Virtual Machine library manager to load a Java class into the Oracle...

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Authors (1)

Saurabh K. Gupta

Saurabh K. Gupta

Saurabh K. Gupta is a seasoned database technologist with extensive experience in designing high performance and highly available database applications. His technology focus has been centered around Oracle Database architecture, Oracle Cloud platform, Database In-Memory, Database Consolidation, Multitenant, Exadata, Big Data, and Hadoop. He has authored the first edition of this book. He is an active speaker at technical conferences from Oracle Technology Network, IOUG Collaborate'15, AIOUG Sangam, and Tech Days. Connect with him on his twitter handle (or SAURABHKG) or through his technical blog www.sbhoracle. wordpress.com, with comments, suggestions, and feedback regarding this book.

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