Oracle Built-in Packages

Oracle Built-in Packages
by Steven Feuerstein

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Book Description
Oracle is the most popular database management system in use today, and PL/SQL plays a pivotal role in current and projected Oracle products and applications. PL/SQL is a programming language providing procedural extensions to the SQL relational database language and to an ever-growing number of oracle development tools. originally a rather limited tool, PL/SQL became with Oracle7 a mature and effective language for developers. now, with the introduction of Oracle8, PL/SQL has taken the next step towards becoming a fully realized programming language providing sophisticated object-oriented capabilities. Steven Feuerstein's Oracle PL/SQL Programming is a comprehensive guide to building applications with PL/SQL. That book has become the bible for PL/SQL developers who have raved about its completeness, readability, and practicality. Built-in packages are collections of PL/SQL objects built by Oracle Corporation and stored directly in the Oracle database. The functionality of these packages is available from any programming environment that can call PL/SQL stored procedures, including Visual Basic, Oracle Developer/2000, Oracle Application Server (for web-based development), and, of course, the Oracle database itself. Built-in packages extend the capabilities and power of PL/SQL in many significant ways. for example:

DBMS_SQL executes dynamically constructed SQL statements and PL/SQL blocks of code.
DBMS_PIPE communicates between different Oracle sessions through a pipe in the RDBMS shared memory.
DBMS_JOB submits and manages regularly scheduled jobs for execution inside the database.
DBMS_LOB accesses and manipulates Oracle8's large objects (LOBs) from within PL/SQL programs.

The first edition of Oracle PL/SQL Programming contained a chapter on Oracle's built-in packages. but there is much more to say about the basic PL/SQL packages than Feuerstein could fit in his first book. In addition, now that Oracle8 has been released, there are many new Oracle8 built-in packages not described in the PL/SQL book. There are also packages extensions for specific oracle environments such as distributed database. hence this book. Oracle Built-in Packages pulls together information about how to use the calling interface (API) to Oracle's Built-in Packages, and provides extensive examples on using the built-in packages effectively. The windows diskette included with the book contains the companion guide, an online tool developed by RevealNet, Inc., that provides point-and-click access to the many files of source code and online documentation developed by the authors. The table of contents follows: Preface Part I: Overview

1. Introduction

Part II: Application Development Packages

Executing Dynamic SQL and PL/SQL
Intersession Communication
User Lock and Transaction Management
Oracle Advanced Queuing
Generating Output from PL/SQL Programs
Defining an Application Profile
Managing Large Objects
Datatype Packages
Miscellaneous Packages

Part III: Server Management Packages

Managing Session Information
Managing Server Resources
Job Scheduling in the Database

Part IV: Distributed Database Packages

Snapshots
Advanced Replication
Conflict Resolution
Deferred Transactions and Remote Procedure Calls

Appendix. What's on the companion disk?

Book Info
Pulls together information about how to use the call interface to the built-ins, explains the implementation details, and supplies extensive examples on using the built-in packages effectively. 3 1/2 inch disk included. Paper.

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