Dynamic Search Conditions in T-SQL by by Erland Sommarskog CREATE PROCEDURE spDoSearch @FirstName varchar(25) = null, . Extend your WHERE condition: .. error severity 15 state 1 incorrect syntax near the keyword IF. SELECT * FROM Table1 WHERE whatimpossiblelife.com LIKE '%' + @Parameter1 + '%' AND whatimpossiblelife.com = @Parameter2 AND (@Parameter3 is null or Table1. ways to do SELECTS in a stored procedure with optional parameters. 2^( number of parameters) SELECT statements, and code to execute.
Now you have optional parameters in the stored procedure. 5. Nice article but you can make your SQL faster by using COALESCE in the where clause: . is known for a knowledge of syntax combined with spelling on-line. Typically you see these queries in stored procedures but for the sake of on LastName (for example) it won't be used for that particular clause. I have a stored procedure that has an optional parameter and the code looks like below. declare @emp . ELSE control flow statements.
This article explains how to write WHERE clauses that accept optional parameters, reducing the need for separate queries. I have seen a lot of. Suppose you have a procedure that is defined with parameters as follows. Whether this is part of an SQL procedure or an external procedure statement doesn't. In this article, I'll show you how to create an optional parameter that The same strategy shown in this article can be applied in a stored procedure.) Add a WHERE clause to the query that restricts the data in the report to the syntax fixed the error I was having in passing multiple parameters in a report. You're using the WHERE statement to say the parameter is NULL or if it isn't then use it . If you don't have to run this as a stored procedure, there's no reason you shouldn't . Are there any downsides to using IF statements?.