Conditional Statements in WHERE Clauses – SQLServerCentral
May 22, 2001 · Conditional WHERE clauses in T-SQL using comparison operators Ever had a query where you wished you could be able to specify the operator (equal, not equal, greater than, etc.) for …
How to return Null or value when nothing is returned from Query
Oct 10, 2011 · I have a simple query: SELECT name FROM atable WHERE a = 1 I want it to return Null if it finds nothing, but it just returns an empty set. Is it possible to do this?
Are my nested IF/ELSE statements inefficient? Is ... - SQLServerCentral
May 16, 2017 · Are my nested IF/ELSE statements inefficient? Is there an alternative or 'best practice' Forum – Learn more on SQLServerCentral
Using Case or If Else statements within joins - SQLServerCentral
Nov 22, 2010 · Home Forums SQL Server 2005 T-SQL (SS2K5) Using Case or If Else statements within joins Post reply
How to return 0 if not exists, or the result if exists?
Dec 14, 2011 · I know that a solution would be to use: something like "SELECTA.*, Score = (CASE WHEN EXISTS (sqlStatement) THEN sqlStatement ELSE 0 END)" but this would mean relaunching …
Do nothing in a sql statement--help - SQLServerCentral Forums
Sep 25, 2009 · How do you write a "do nothing" in sql. I have a statement where if two variables are 0, I don't want anything to execute for example if a=0 and b=0 'do nothing else select * from table1 …
IF STATEMENT IN WHERE CLAUSE - SQLServerCentral Forums
Aug 8, 2008 · Unless a statement block is used, the IF or ELSE condition can affect the performance of only one Transact-SQL statement. To define a statement block, use the control-of-flow keywords …
Using a SET statement inside of a CASE Statement
Feb 19, 2021 · I want to update the contents of a variable using a CASE Statement; for example: I declare the variable and set the initial value, then I want to use a CASE Statement to append to that …
If...Else condition in store procedure to set value in variable
Jul 20, 2010 · hi,i want to select my data from table using where clause.then i want to use if else condition to set the output parameter value as 1 else 0.so that i can call this in my asp.net code.
ISNULL in a CASE statement??? – SQLServerCentral Forums
Jan 21, 2008 · ELSE 'FALSE' END I want to know how to detect for NULL in a CASE statement. I know logically I can exclude the 'when null...' line as it will be captured by the ELSE statement. Thanks, Joe