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2 mar 2017 · If you are checking conditions against multiple variables then you would have to go for multiple IF Statements, Each block of code will be executed independently from other blocks.
15 wrz 2008 · Once you figure out how it works, you can convert three results to two results by deciding the behavior of null. E.g. this would treat null as not saleable: SELECT CASE WHEN obsolete = 'N' OR instock = 'Y' THEN 'true' ELSE 'false' -- either false or null END AS saleable. Share.
28 maj 2024 · For example, we can use IF-THEN logic in an SQL SELECT statement to perform various tasks on data based on specific conditions. However, there is no direct way to use IF-THEN logic in SQL because there is no IF keyword in SQL. We can use either a CASE statement or an IIF () function to implement IF-THEN logic in SQL.
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 ()".
Summary: in this tutorial, you will learn how to use the SQL Server IIF() function to add if-else logic to queries. Introduction to SQL Server IIF() function. The IIF() function accepts three arguments. It evaluates the first argument and returns the second argument if the first argument is true; otherwise, it returns the third argument.
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.
SQL Server IF ELSE. Summary: in this tutorial, you will learn SQL Server IF...ELSE statement to control the flow of program. The IF...ELSE statement is a control-flow statement that allows you to execute or skip a statement block based on a specified condition.
