IBM DB2 9.7 Advanced Application Developer Cookbook

Name: IBM DB2 9.7 Advanced Application Developer Cookbook | This cookbook is essential reading for every ambitious IBM DB2 application developer. With over 70 practical recipes, it will help you master the most sophisticated elements and techniques used in designing high quality DB2 applications.
Brand: Packt Publishing
Availability: OnlineOnly

This cookbook is essential reading for every ambitious IBM DB2 application developer. With over 70 practical recipes, it will help you master the most sophisticated elements and techniques used in designing high quality DB2 applications.

Mohankumar Saraswatipura(Autor*in)

Packt Publishing

1. Auflage

Erschienen am 14. März 2012

442 Seiten

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978-1-84968-397-5 (ISBN)

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Inhalt

Intro
IBM DB2 9.7 Advanced Application Developer Cookbook
Table of Contents
IBM DB2 9.7 Advanced Application Developer Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Support files, eBooks, discount offers and more
Why Subscribe?
Free Access for Packt account holders
Instant Updates on New Packt Books
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Downloading the example code
Errata
Piracy
Questions
1. Application Development Enhancements in DB2 9.7
Introduction
Changing column names online using the ALTER TABLE operation
Getting ready
How to do it...
How it works.
See also
Using the CREATE OR REPLACE clause while creating objects
Getting ready
How to do it...
How it works.
Using the ALTER TABLE operation in a single transaction
Getting ready
How to do it...
How it works.
Using the CREATE WITH ERROR support
How to do it...
How it works...
There's more...
Using the soft invalidation and automatic revalidation support
Getting ready
How to do it...
How it works...
There's more...
Using the ALTER COLUMN SET DATA TYPE extended support
Getting ready
How to do it...
How it works...
There's more...
Using the new TRUNCATE statement
Getting ready
How to do it...
How it works...
There's more...
Using AUTONOMOUS transactions
How to do it...
How it works.
Using implicit casting during application enablement
Getting ready.
How to do it...
How it works.
There's more.
Using the DEFAULT values and NAMED arguments in procedures
Getting ready
How to do it.
How it works.
2. DB2 Application Techniques
Introduction
Granting and revoking instance-level authorities
Getting ready
How to do it...
Granting instance-level authorities
Revoking authorities
How it works....
There's more...
What changed in DB2 9.7
Granting and revoking database-level authorities
Getting ready
How to do it...
Granting database-level authorities
Revoking authorities
How it works...
There's more.
Granting and revoking object privileges
Getting ready
How to do it...
Granting privileges
Revoking privileges
There's more.
Implementing static SQL in DB2
Getting ready
How to do it...
How it works.
There's more.
Implementing dynamic SQL in DB2
How to do it...
How it works...
There's more.
Statement concentrator for dynamic SQL
Choosing between static and dynamic SQL
Creating Declared Global Temporary Tables (DGTTs)
Getting ready
How to do it...
How it works...
There's more...
Referencing a declared global temporary table
Dropping a declared temporary table
Using declared temporary tables across transactions
Using Admin views to view temporary tables information
Using XML in a declared temporary table
How to do it...
How it works.
There's more.
Improving performance by creating indexes on a DGTT
How to do it...
How it works.
There's more.
Creating Created Global Temporary Tables (CGTT)
Getting ready
How to do it...
How it works...
There's more.
Referencing a CGTT
Dropping a CGTT
Using generated columns in tables
Getting ready
How to do it...
How it works...
There's more.
LOAD and IMPORT considerations for generated columns
Using a generated column as range partitioning key
Using generated columns as MDC dimensions
Using generated columns for performance
Creating a savepoint
How to do it...
How it works...
There's more.
Rolling back to a savepoint
How to do it...
Using savepoints in JDBC
Getting ready.
How to do it.
Using savepoints in SQLJ
Getting ready.
How to do it.
Creating a sequence object
Getting ready
How to do it...
How it works...
There's more.
Modifying a sequence object
Getting ready
How to do it...
How it works.
Referencing a sequence object
Getting ready
How to do it...
How it works.
There's more.
3. General Application Design
Introduction
Improving concurrency by using a connection concentrator
Getting ready
How to do it
How it works...
There's more...
Differences between connection pooling and the connection concentrator
Using trusted contexts for improved security
Getting ready
How to do it
How it works...
Acquiring role membership through a trusted context
Enhancing performance
Altering a trusted context
Using trusted connections in JDBC
Getting ready
How to do it
How it works...
Using trusted connections in PHP
Getting ready
How to do it...
Securing data by using DB2 encryption
Getting ready
How to do it...
How it works...
There's more...
Improving concurrency by using enhanced optimistic locking
How to do it...
How it works
There's more...
Working with user-defined types (UDT)
How to do it...
There's more.
Working with structured types
Getting ready
How it works...
Dropping typed tables
Defining constraints on object identifier columns
4. Procedures, Functions, Triggers, and Modules
Introduction
Creating a simple stored procedure
Getting ready
How to do it...
How it works...
There's more
Stored procedure execution
Calling a stored procedure
Using named parameters
Using dynamic SQL in stored procedures
How to do it...
How it works...
Working with result sets in stored procedures
How to do it...
How it works...
There's more.
Using ARRAY objects in stored procedures
How to do it...
There's more.
Using procedures with ARRAY parameters in Java
Handling errors in stored procedures
How to do it...
How it works...
Designing external stored procedures
Getting ready
How to do it...
How it works...
There's more.
Parameter styles in external stored procedures
Using PL/SQL exception handling in a procedure
How to do it...
How it works...
There's more.
Explicitly raising an exception
Working with the message buffer in stored procedures
Getting ready
How to do it.
How it works...
Planning and designing triggers
Getting ready
How to do it...
How it works...
There's more.
Modifying and dropping triggers
Using scalar user-defined functions
Getting ready
How to do it...
How it works...
There's more.
Restrictions on user-defined functions
Writing external user-defined functions
How to do it...
How it works...
There's more...
Using scratchpad in external functions
Designing external table functions
How to do it...
How it works...
Working with modules in DB2
Getting ready
How to do it
How it works
There's more.
Module privileges
Object name resolution
5. Designing Java Applications
Introduction
Creating connection objects in JDBC applications
Getting ready
How to do it...
How it works...
There's more.
Creating connection objects in SQLJ applications
Getting ready
How to do it...
How it works...
Java packages for SQLJ applications
Manipulating XML Data in Java applications
Getting ready
How to do it...
How it works...
There's more...
Batch processing in JDBC applications
Getting ready
How to do it...
Running SQL multiple times with different values for parameter markers
Running multiple SQL statements in a batch
How it works...
There's more...
Restrictions on executing statements in a batch
Batch processing in SQLJ applications
Getting ready
How to do it...
How it works...
Working with scrollable result sets
Getting ready
How to do it ...
How it works...
There's more...
Using scrollable iterators in SQLJ applications
Handling errors and warnings in JDBC applications
Getting ready
How to do it...
How it works...
Handling SQL warnings
Using SQLException subclasses
Developing Java applications for high availability
Getting ready
How to do it...
Configuring an automatic client reroute
Configuring client affinity
Workload balancing by using DB2 pureScale
How it works...
Automatic client rerouting
Workload balancing in a pureScale environment
Using SSL in Java applications
Getting ready
How to do it...
Step 1: Configuring JRE for SSL Support
Step 2: Setting up the server environment
Step 3: Setting up the client environment
Step 4: Configuring connections to use SSL
How it works...
6. DB2 9.7 Application Enablement
Introduction
First step towards enabling Oracle application to DB2 9.7
Getting ready
How to do it...
How it works.
There's more...
Using ROWNUM and DUAL in DB2 9.7
Getting ready
How to do it...
How it works.
There's more.
Using CUR_COMMIT concurrency control isolation level
Getting ready
How to do it...
How it works.
Implementing hierarchical queries for recursion support
Getting ready
How to do it...
How it works...
Using PL/SQL ANONYMOUS block statements
Getting ready
How to do it...
How it works...
There's more.
Handling RAISE_APPLICATION_ERROR in DB2 PL/SQL
Getting ready
How to do it...
How it works.
Migrating Oracle database objects on to DB2 9.7
Getting ready
How to do it...
How it works.
Porting multi-action triggers from Oracle to DB2 9.7
Getting ready
How to do it...
How it works.
7. Advanced DB2 Application Features and Practices
Introduction
Working with OLAP functions
Getting ready
How to do it...
How it works...
There's more...
Other ways of defining an OLAP window
Using optimizer profiles
Getting ready
How to do it...
How it works...
There's more...
Examples of optimization profiles
List of guidelines available
Using explain utilities
Getting ready
How to do it...
How it works...
There's more...
Capturing explain information for a routine
Explain tables
Using section explain information
Getting ready
How to do it...
How it works
There's more...
Interpreting db2exfmt output
How to do it...
How it works
There's more...
Understanding optimizer joins
Operators in an access plan
Application development in partitioned databases
How to do it
There's more
Database partitioning feature
Range partitioning
Multidimensional clustering
Putting everything together
8. Preparing and Monitoring Database Applications
Introduction
Preparing applications for execution
Getting ready
How to do it...
How it works...
Understanding the consistency token
There's more...
Advantages of deferred binding
Packages and SQL routines
Rebinding existing packages
Getting ready
How to do it...
How it works...
There's more...
Customizing application behavior using registry variables
Getting ready
How to do it...
How it works...
There's more...
Monitoring application performance
How to do it...
How it works...
9. Advanced Performance Tuning Tips
Introduction
Understanding predicates in SQL statements
Getting ready
How to do it...
How it works...
There's more...
Improving INSERT performance
Getting Ready
How to do it...
How it works...
Writing effective SQL statements
Getting Ready
How to do it...
Index

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