1. Turbo, Turbo, Turbo!
Alon Blich
A.B.C

2. Why Optimize Queries ?
From my 20 years experience writing database applications the thing that takes by far the most amount of time are database operations and out of that the thing that takes by far the most amount of time are read operations, and the place with the biggest performance improvement.

3. Sample Case
Reports with Always Changing Filters and a Fixed Execution Plan
FOR EACH Order,
EACH Customer OF Order,
EACH OrderLine OF Order,
EACH Item OF OrderLine.

4. Introduction to Query Optimization
Changing the Execution without Changing the Result
Indexes
Join Order
Choosing a Plan
Rule Based Optimizer
Cost Based Optimizer
More Scans and Joins
USE NO-INDEX
Index Only
Skip Scan

5. 4GL Query Optimizer Demo

6. 4GL Query Optimizer Features at a Glance Future Plans
Compatible with Version 9 or Better
Code Injection Protection
Future Plans
CAN-FIND( ) in Dynamic Queries
More Scans and More Joins
Cost-Based Optimization

7. Related Projects Based on the Standard Libraries Open Source Project
V9 Exception Handling
V9 Logging
HTTP/S
ZIP
XML
Win API
Timing Events
Code Parsing
SVN UIB/Editor Hook
Salesforce.com Integration etc.
Google API
Word and Excel Utilities

8. alonblich@gmail.com +972-54-2188086
Thank you! Question?