Hi Chris, On Thu, 23 Aug 2007 12:14:51 -0400, you wrote:
>On Thu, 23 Aug 2007 08:52:40 -0700, Gerry Snyder wrote: > >>Chris Peachment wrote: >>> I have a database with more than 200,000 records in the >>> core table. An update table of similar record count contains >>> a proper subset of the core table columns. >>> >>> I'm looking for a fast method of merging the values in the >>> two tables such that : >>> >>> 1. core table columns are updated, and >>> 2. non-existent core records are inserted from the update table. >>> >>Will INSERT OR REPLACE do what you want? > > >>Gerry > > >Regrettably no. When an existing core record is found then it >is deleted before the insert. That means that all columns are >given new values and not just the ones to be updated. That is exactly what INSERT OR REPLACE does. http://www.sqlite.org/lang_insert.html http://www.sqlite.org/lang_conflict.html >Chris -- ( Kees Nuyt ) c[_] ----------------------------------------------------------------------------- To unsubscribe, send email to [EMAIL PROTECTED] -----------------------------------------------------------------------------
