Summary: Automated Statistics Collection in DB2 UDB
A. Aboulnaga*
P. Haas*
M. Kandil+
S. Lightstone+
G. Lohman*
V. Markl*
I. Popivanov+
V. Raman*
*
IBM Almaden Research Center +
IBM Toronto Development Lab
650 Harry Road 8200 Warden Avenue
San Jose, CA Markham, ON
USA Canada
{aashraf, phaas, lohman, marklv, ravijay}@us.ibm.com, {mkandil, light, ivannp}@ca.ibm.com
Abstract
The use of inaccurate or outdated database statistics by
the query optimizer in a relational DBMS often results
in a poor choice of query execution plans and hence

Source: Aboulnaga, Ashraf - School of Computer Science, University of Waterloo

Collections: Computer Technologies and Information Sciences