The only way Oracle understands date computations is through operations on a number of days - or fractions of days, assumed to be plain 24 hour days of 3600 second hours (no 23h 56mn there). To remove a minute, you take a date and substract the fraction of day equal to a minute - eg 1 / (24 * 60).
>----- Original Message ----- >From: John Dunn <[EMAIL PROTECTED]> >To: Multiple recipients of list ORACLE-L ><[EMAIL PROTECTED]> >Sent: Thu, 11 Apr 2002 03:08:18 > >I want to subtract a minute from a date/time > >How can I do this? > >John > >-- >Please see the official ORACLE-L FAQ: >http://www.orafaq.com >-- >Author: John Dunn > INET: [EMAIL PROTECTED] > >Fat City Network Services -- (858) 538-5051 >FAX: (858) 538-5051 >San Diego, California -- Public Internet >access / Mailing Lists >To REMOVE yourself from this mailing list, send an >E-Mail message >to: [EMAIL PROTECTED] (note EXACT spelling of >'ListGuru') and in >the message BODY, include a line containing: UNSUB >ORACLE-L >(or the name of mailing list you want to be removed >from). You may >also send the HELP command for other information >(like subscribing). >--------------------------------------------------- >----------------- Stephane Faroult Oriole Corporation Performance Tools & Free Scripts -------------------------------------------------------------- http://www.oriole.com, designed by Oracle DBAs for Oracle DBAs -------------------------------------------------------------- -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Stephane Faroul INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
