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28 gru 2009 · How do I write an IF statement with multiple arguments in T-SQL? Current source error: DECLARE @StartDate AS DATETIME DECLARE @EndDate AS DATETIME SET @StartDate = NULL SET @EndDate = NULL IF (@StartDate IS NOT NULL AND @EndDate IS NOT NULL) BEGIN -- do some work END
1. What you want is a SQL case statement. The form of these is either: select case [expression or column] when [value] then [result] when [value2] then [result2] else [value3] end. or: select case.
3 wrz 2024 · The following example uses IF...ELSE to determine which of two responses to show the user, based on the weight of an item in the DimProduct table.
3 wrz 2024 · Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance. Returns one of two values, depending on whether the Boolean expression evaluates to true or false in SQL Server. Transact-SQL syntax conventions. Syntax IIF( boolean_expression, true_value, false_value ) Arguments boolean_expression. A valid Boolean expression.
19 cze 2013 · Generally, when creating a condition in a query where you might use one of several values, it makes sense to parameterize. But, as will be discussed later in this tip, there are cases where the query cannot be fully parameterized. Parameterizing a Query By Making It a Stored Procedure
12 wrz 2022 · The keyword IF is followed by an argument or group of arguments combined with AND or OR keywords. An argument is a logical comparison that evaluates to either true or false. Some examples of an argument might be "@NumberValue < 1", "@TextValue ='Hello' " ,or "BooleanFunction ()".
Let’s take some examples of using the SQL Server IIF() function. A) Using SQL Server IIF() function with a simple example. This example uses the IIF() function to check if 10 < 20 and returns the True string: SELECT IIF (10 < 20, 'True', 'False') Result; Code language: SQL (Structured Query Language) (sql) Here is the result:
