Application Development Guide
Coding a DB2 Application
Prerequisites for Programming
DB2 Application Coding Overview
Declaring and Initializing Variables
Declaring Variables that Interact with the Database Manager
Handling Errors and Warnings
Using Additional Nonexecutable Statements
Connecting to the Database Server
Coding Transactions
Beginning a Transaction
Ending a Transaction
Ending the Program
Implicitly Ending a Transaction
On Most Supported Operating Systems
On Windows 32-bit Operating Systems
When Using the DB2 Context APIs
Application Pseudocode Framework
Designing an Application For DB2
Access to Data
Embedded SQL
DB2 Call Level Interface (DB2 CLI) and Open Database Connectivity (ODBC)
Microsoft Specifications
Perl DBI
Query Products
Data Value Control
Data Types
Unique Constraints
Table Check Constraints
Referential Integrity Constraints
Views with Check Option
Application Logic and Program Variable Types
Data Relationship Control
Referential Integrity Constraints
Triggers
Application Logic
Application Logic at the Server
Stored Procedures
User-Defined Functions
Triggers
Supported SQL Statements
Authorization Considerations
Dynamic SQL
Static SQL
Using APIs
Example
Database Manager APIs Used in Embedded SQL or DB2 CLI Programs
Setting Up the Testing Environment
Creating a Test Database
Creating Test Tables
Generating Test Data
Running, Testing and Debugging Your Programs
Prototyping Your SQL Statements
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