-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Kay Smoljak wrote: |> A long time ago, I made a really stupid mistake that results in |> deletion of all data from a table... | | | 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. |
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... z -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQE+QSAM1lRHdy8ASusRAnb4AJoDt66u5fWbgibWEoFPmqmMu5AElwCeMmsK pSKubEkErq+ymszYSb/7QRo= =lz66 -----END PGP SIGNATURE----- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| 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 This list and all House of Fusion resources hosted by CFHosting.com. The place for dependable ColdFusion Hosting. Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
