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?

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