On Friday 05 January 2007 21:05, Erik Jones wrote: > Quick question, when running a VACUUM query through the postmaster, > does it use the external vacuumdb tool? No, quite the opposite; the 'vacuumdb' simply invokes the VACUUM command in the postmaster. vacuumdb along with reindexdb, createdb, createuser etc. are simply commandline conveniences for common administrative tasks :) Cheers, Gavin.