Jim Nasby wrote: > Is there no way to change the index code to allow for moving index > tuples from one page to another? If we could do that then presumably > we could free up substantially more pages. This paper @inproceedings{DBLP:conf/sigmod/ZouS96, author = {C. Zou and B. Salzberg}, editor = {H. V. Jagadish and Inderpal Singh Mumick}, title = {On-line Reorganization of Sparsely-populated B+trees}, booktitle = {Proceedings of the 1996 ACM SIGMOD International Conference on Management of Data, Montreal, Quebec, Canada, June 4-6, 1996}, publisher = {ACM Press}, year = {1996}, pages = {115-124}, bibsource = {DBLP, \url{http://dblp.uni-trier.de}} } may be of some use here. http://citeseer.ist.psu.edu/zou96line.html -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc.