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All the other answers here show how to set a variable using the output of a SELECT statement. Here's how to do it with a simple string: DECLARE @ModelID varchar(60) = 'Model T'
29 lis 2022 · When assigning values to multiple @variables in one SELECT statement, when one @variable is dependent on another, the order in which the @variables appear in the statement changes the outcome. For example:-. DECLARE @a INT; DECLARE @b INT; SET @a = 0;
28 lip 2011 · If I want to compute a column and use the result in more than 1 column, how do I do this without making the computing twice? Example: SELECT LOWER(SUBSTRING([NAME], 4, 100)) + '@somedomain.com' as EMail. ,hashbytes('SHA1', LOWER(SUBSTRING([NAME], 4, 100)) + '@somedomain.com') as HashedEmail. FROM sometable.
I want to write a query that will generate two row results for a single row based on the above rule. How can this be done with a SQL query? Is a UNION the only way?
12 lut 2024 · This is where the SELECT INTO @Variable syntax comes into play. In this article, we'll delve into the intricacies of using SELECT INTO @Variable in SQL Server, exploring its syntax, use cases, and best practices.
23 sty 2009 · You can use SELECT assignment to assign multiple variables. This code generates a single row of constants and assigns each to a variable. SELECT @var1 = 1, @var2 = 'Zeus' You can even query tables and do assignment that way: SELECT @var1 = c.Column1, @var2 = c.Column2, FROM Customers c WHERE c.CustomerID = @CustomerID
25 lis 2009 · SET and SELECT may be used to assign values to variables through T-SQL. Both fulfill the task, but in some scenarios unexpected results may be produced. In this tip I elaborate on the considerations for choosing between the SET and SELECT methods for assi.
