>| Kay Smoljak wrote: >| A tip I picked up from somewhere - it might even have been this list >| - is to not ever actually delete records using code. Instead, I have >| a dtDeleted field, which is set to the current date when I want to >| delete the record. When doing selects, I add "WHERE dtDeleted IS >| NULL" to get only non-deleted records. >| >Zac Spitzer wrote: >good idea, badly implemented..... a select using a null criteria cannot >use a index and means the database must do a full table scan which means >~ bad performance....try changing your logic round so you can use an >index...
Hey, thanks for the tip. Will definitely look into that... ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Archives: http://www.houseoffusion.com/cf_lists/index.cfm?forumid=4 Subscription: http://www.houseoffusion.com/cf_lists/index.cfm?method=subscribe&forumid=4 FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Structure your ColdFusion code with Fusebox. Get the official book at http://www.fusionauthority.com/bkinfo.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
