Is null or empty sql server Id = @myIdParam' EXECUTE sp_executesql @vc_dynamicsql Jul 9, 2014 · An empty string is the same as null in Oracle, and you can't compare anything to null. 1. – Jan 24, 2013 · If you want a zero length string in the event of the value being NULL, you have to explicitly change the data type, using CAST/CONVERT to change the non-NULL value to a VARCHAR/etc data type. [Type] = @SearchType OR @SearchType = '' If @searchType is null or an empty string means 'return the whole table' then use Sep 9, 2014 · Check the Variable is Empty or Null Forum – Learn more on SQLServerCentral. If the value of expression is NULL, IS NOT NULL returns FALSE; otherwise, it returns TRUE. [XmlParam]) AS [DATALENGTH], CASE (ISNULL(DATALENGTH(t. SQL Select Column if NOT Null. This guide explores the built-in tools available in SQL Server, including specialized queries and functions. If a literal NULL is provided as check_expression, returns the datatype of the replacement_value. DisplayName. mwsgqbwkmwcspfnjzblmdnrmhdupqhfioxasjcoicjrwgcfdiinppjpkbmzrrnkgorbzi