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Oracle PL/SQL Programming Guide to Oracle8i Features
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● 內容簡介 ●
This concise and engaging guide will give you a jump start on the new PL/SQL features of Oracle8i (Oracle's revolutionary "Internet database"). It covers autonomous transactions, invoker rights, native dynamic SQL, bulk binds and collects, system-level database triggers, new built-in packages, fine-grained access control, calling Java methods from within PL/SQL, and much more. Includes a diskette containing 100 files of reusable source code and examples. Oracle8i, the long-awaited "Internet database" from Oracle Corporation, has hit the streets running--and you may find yourself struggling to keep up with Oracle's fast-moving technology. Oracle boasts that Oracle8i offers more than 150 new features, many of them designed to make its popular database programming language, PL/SQL, faster, more powerful, and easier to use. This concise and engaging book is both a companion to Oracle PL/SQL Programming (widely recognized as the "bible" for PL/SQL developers) and a guide designed to bring you up to speed as quickly as possible on the new PL/SQL features of Oracle8i. Following the style of Feuerstein's earlier books, the Guide to Oracle8i Features combines easy-to-understand descriptions of the new Oracle8i features with a wealth of interesting and informative examples. The major Oracle8i PL/SQL features include the following: ●Autonomous transactions--the ability to commit or roll back changes without affecting the "main" transaction in the rest of your session ●Invoker rights--At compilation time, you can now decide whether a program (or all programs in a package) should run under the authority of the definer or the invoker of that program ●Native dynamic SQL--A native implementation of dynamic SQL that's faster and easier than the DBMS_SQL built-in package ●Bulk binds and collects--A major performance improvement that lets you process multiple rows in a single operation ●System-level database triggers--With this feature and Advanced Queueing (AQ), you can take advantage of the publish/subscribe capabilities of Oracle8i ●Fine-grained access control--This feature lets you implement security policies with functions and then use those functions to implement row-level security on tables or views. ●Many new and enhanced built-in packages--New packages include DBMS_JAVA, DBMS_PROFILER, DBMS_TRACE, and more. DBMS_UTILITY, DBMS_AQ, and others have been enhanced as well. ●Calling Java methods from within PL/SQL--The book includes enough Java know-how to help you build simple Java classes, load them into the Oracle8i database, and leverage those classes from within your PL/SQL code. ●A variety of performance improvements Some PL/SQL developers are uneasy about what the introduction of Java means to their applications--and their programming future. But the two languages are expected to work well together in Oracle8i. You'll be able to take advantage of all the power of Java without giving up the performance and usability advantages of PL/SQL! Included with this book is a diskette containing an online tool developed by RevealNet, Inc., that provides point-and-click access to approximately 100 files of reusable source code and examples. The Guide to Oracle8i Features showcases all the powerful new features of Oracle8i designed especially for PL/SQL developers. You'll find it indispensable as you strive to take the fullest possible advantage of everything this exciting new version has to offer. Table of Contents: 1. Oracle8i: A Bounty for PL/SQL Developers 2. Choose Your Transaction! 3. Invoker Rights: Your Schema or Mine? 4. Native Dynamic SQL in Oracle8i 5. Bulking Up with PL/SQL 8.1 6. New Trigger Features in Oracle8i 7. New and Enhanced Built-in Packages in Oracle8i 8. Deploying Fine-Grained Access Control 9. Calling Java from PL/SQL 10. More Goodies for Oracle PL/SQL Developers
● 目¿ý ●
Preface 1. Oracle8i: A Bounty for PL/SQL Developers What's in Oracle8i Release 8.1? And Then There's Java New PL/SQL Features Roundup 2. Choose Your Transaction! Transaction Management in PL/SQL Defining Autonomous Transactions When to Use Autonomous Transactions Rules and Restrictions Examples 3. Invoker Rights: Your Schema or Mine? A Look at the Definer Rights Model The Invoker Rights Model One Program, Multiple Schemas Combining the Definer and Invoker Rights Models 4. Native Dynamic SQL in Oracle8i DBMS_SQL Versus NDS NDS Statement Summary Multirow Queries with Cursor Variables Binding Variables Working with Objects and Collections Building Applications with NDS NDS Utility Package 5. Bulking Up with PL/SQL 8.1 Context-Switching Problem Scenarios Bulk DML with the FORALL Statement Bulk Querying with the BULK COLLECT Clause Using Cursor Attributes Analyzing the Impact of Bulk Operations 6. New Trigger Features in Oracle8i Triggers on Nested Table View Columns Database-Level Event Triggers Schema-Level Event Triggers 7. New and Enhanced Built-in Packages in Oracle8i DBMS_PROFILER: Providing Code Profiling DBMS_TRACE: Providing a PL/SQL Trace Facility DBMS_RLS: Implementing Fine-Grained Access Control UTL_COLL: Using Collection Locators LOB Enhancements New DBMS_AQ Features New DBMS_UTILITY Features 8. Deploying Fine-Grained Access Control FGAC Components CREATE CONTEXT: Creating Contexts SET_CONTEXT: Setting Context Attribute Values SYS_CONTEXT and LIST_CONTEXT: Obtaining Context Information A Complete FGAC Example 9. Calling Java from PL/SQL Oracle8i and Java Getting Ready to Use Java in Oracle A Simple Demonstration Using loadjava Using dropjava Managing Java in the Database Using DBMS_ JAVA and DBMS_ JAVA_TEST Publishing and Using Java in PL/SQL Examples 10. More Goodies for Oracle8i PL/SQL Developers The NOCOPY Parameter Mode Hint Calling Packaged Functions in SQL SQL99 Compliance SQL Operations on Collections Miscellaneous and Minor Improvements Appendix: What's on the Companion Disk?
● 作ªÌ簡介 ●
Steven Feuerstein Steven Feuerstein is considered one of the world's leading experts on the Oracle PL/SQL language. He is the author of Oracle PL/SQL Programming, Oracle Built-in Packages, Advanced Oracle PL/SQL Programming with Packages, Oracle PL/SQL Language Pocket Reference, and Oracle PL/SQL Built-ins Pocket Reference (all from O'Reilly & Associates). Steven has been developing software since 1980 and worked for Oracle Corporation from 1987 to 1992. As chief technology officer of RevealNet, Inc., he has designed several products for PL/SQL developers, including the PL/SQL Knowledge Base, PL/Vision, and PL/Generator. Steven hosts RevealNet's "PL/SQL Pipeline," an online community for PL/SQL developers (www.revealnet.com/plsql-pipeline) and can be reached through email at feuerstein@revealnet.com. Steven is president of the PL/Solutions training and consulting company (www.plsolutions.com). He also serves as codirector of the Oracle Practice at SSC, a Chicago-based consulting firm (www.saraswati.com). Steven shares a Rogers Park, Chicago, Georgian with his wife, Veva, his youngest son, Eli, two cats (Sister Itsacat and Moshe Jacobawitz), and Mercury (a Congo Red African Gray parrot). His older son, Chris, is busy making music and creating art nearby. Steven is a member of the Board of Directors of the Crossroads Fund, which provides grants to organizations in Chicago working for social change.
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