Event Date: Jul 25, 2013
Event Time: 10:30 AM – 12:00 PM (Central Time)
Presented By:
- Jerry Keesee – Director, IBM Informix Database Development (IBM),
- Bingjie Miao – Software Engineer (IBM)
This presentation will focus on using explain output to demonstrate recent improvements in query optimization such as view folding, sub-query flattening, and hash join support. Learn how to interpret various entities in explain file such as optimizer costing, directives, access methods, table order selection, filter analysis, sub query execution. Explore set operators, view folding enhancements with outer joins, subquery flattening with views, ANSI outer join to Informix outer join transformation, hash join support in ANSI JOIN, temp table optimization, predicate derivation in ANSI JOIN, etc. using explain text.
Register for the Event
Register for this event at:
https://events.na.collabserv.com/register.php?id=0dcccc796b&l=en-US
For technical questions, contact support at support@collabserv.com.
For questions about this event, contact the host at: mckeithe@us.ibm.com.