Thanks. I have a transactions table where before doing an entry I check if that record exists by empno + date + shiftno. If the seek fails I add the records else I overwrite existing records. Maybe in SQL server we have to do it slightly differently.
-------------------------------------------------- From: "Stephen Russell" <[email protected]> Sent: Wednesday, September 21, 2011 6:24 PM To: <[email protected]> Subject: Re: Composite Key in Sql Server 2008 > On Wed, Sep 21, 2011 at 7:37 AM, Ajoy Khaund <[email protected]> wrote: >> Hi, >> >> I have a composite key in VFP like >> >> Padl(empno,4,'0') + DTOS(kdate) + Str(shiftno,1) >> >> I use this index to do a seek to find out if a record exists for a >> particular employee on a particular date in a particular shift. >> >> How can I do that in sql. I am going to use cursor adaptors. >> > ------------- > > Do you know how to create indexs in SQL Server tables that span > multiple columns? > > CREATE UNIQUE NONCLUSTERED INDEX newKey ON YourTable > ( > empNumber, > kDate, > shiftNo > ) WITH( STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, > ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] > GO > > > In your where clause : > Where empNumber = YourmakeshiftValue > and kDatebetween StartOfDay and EndOfDay > and shftno = 1 > > As a heads up. This index may never get used if the table is joined > so all of this is mute. > > > -- > Stephen Russell > > Unified Health Services > 60 Germantown Court > Suite 220 > Cordova, TN 38018 > > Telephone: 888.510.2667 > > 901.246-0159 cell > [excessive quoting removed by server] _______________________________________________ Post Messages to: [email protected] Subscription Maintenance: http://leafe.com/mailman/listinfo/profox OT-free version of this list: http://leafe.com/mailman/listinfo/profoxtech Searchable Archive: http://leafe.com/archives/search/profox This message: http://leafe.com/archives/byMID/profox/7572B5A7801D405DA3B483F240409EC9@ajoykcompaq ** All postings, unless explicitly stated otherwise, are the opinions of the author, and do not constitute legal or medical advice. This statement is added to the messages for those lawyers who are too stupid to see the obvious.
