Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!eternal-september.org!feeder.eternal-september.org!.POSTED!not-for-mail From: Erland Sommarskog Newsgroups: comp.databases.ms-sqlserver Subject: Re: One more thing I don't understand in large Stored Procedure Date: Sun, 02 Oct 2011 20:31:00 +0200 Organization: Erland Sommarskog Lines: 27 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit Injection-Info: mx04.eternal-september.org; posting-host="nBFDv6s1VJQDuF1w6hpX2A"; logging-data="9859"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX186Tsi+XGKnc6dNvBOwjCK4" User-Agent: Xnews/2006.08.24 Mime-proxy/2.1.c.0 (Win32) Cancel-Lock: sha1:dXE+nGW49Nn+lWtHO40GMGF3RUE= Xref: x330-a1.tempe.blueboxinc.net comp.databases.ms-sqlserver:715 Tony C. (me@here.com) writes: > However, this does return a resultset. > > > select @BeginProcessControlDate as BeginProcessControlDate, > @EndProcessControlDate as EndProcessControlDate, > count(*) as UsageGroupCount > from CabsUsageGroupHC; This is not variable assignment. > only diff is SELECT @variable AS instead > of SELECT @variable = > > could that be the difference? Yes, the second is variable assignment. The first produces a regular result set. You simply return the value of the variable to the client. -- Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se Links for SQL Server Books Online: SQL 2008: http://msdn.microsoft.com/en-us/sqlserver/cc514207.aspx SQL 2005: http://msdn.microsoft.com/en-us/sqlserver/bb895970.aspx