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Quick SQL Tutorial
Security and Integrity

Indexing

Index Theory
Index Structure
Types of Index
The Dos and Don'ts of Indexing
Creating an Index
Clustered Indices

Advanced Select

Advanced Select
Subqueries Returning Multiple Values
Using the EXISTS Condition
Outer Joins
Union
The Intersection and Difference Set Operators
Self Joins
Synonyms

Query Optimisation

Query Optimisation
Optimiser Requirements
The SET OPTIMIZATION Statement
The Informix Query Optimisation Process
The SET EXPLAIN Statement
The Order of SELECT Statement Clause Processing
Database Optimisation
User Optimisation of a Query

Security and Integrity

Security and Integrity
User Access
Database Access
Object Level Privileges
Views
Transaction Work

Security and Integrity

The final few sections discuss aspects of database security and integrity issues.

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