INFORMIX
DataBlade Developers Kit User's Guide
Chapter 2: Designing DataBlade Modules
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Designing DataBlade Modules

Data Model
Data Type Design
Object Accessibility
Handling Large Objects
Query Language Interface
SQL Query Structure
The Target List
The Qualification
Query Processing
Predicate Evaluation
Expensive Routines
Sorting
Grouping
Casts
Access Path Selection
Unordered Row Processing
Secondary Access Methods
Planning for Transaction Semantics
Interoperability
Orthogonality
Simple, Clean Interfaces
Naming Routines
Taking Advantage of Polymorphism
Limiting the Number of Arguments
Avoiding Modal Routines



DataBlade Developers Kit User's Guide, version 3.6
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