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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 · In this article, we explored different options for executing IF-THEN logic in a SQL SELECT statement. These options include using CASE, IIF(), and CHOOSE(). Furthermore, if we want a query that’s used in almost every dialect, we must choose the CASE statement.
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. IF(@Var1 Condition1) BEGIN /*Your Code Goes here*/ END IF(@Var2 Condition1) BEGIN /*Your Code Goes here*/ END IF(@Var3 Condition1) BEGIN /*Your Code Goes here*/ END
21 lip 2023 · Here are some advanced examples showcasing the usage of IF-THEN statements in SQL Server, along with common pitfalls to avoid and best practices to follow. Example 1: Nested IF-THEN Statements. You can nest IF-THEN statements to handle multiple conditions and execute specific code blocks accordingly.
The IF...ELSE statement is a control-flow statement that allows you to execute or skip a statement block based on a specified condition. The IF statement. The following illustrates the syntax of the IF statement: IF boolean_expression . BEGIN . { statement_block } END Code language: SQL (Structured Query Language) (sql)
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.
4 lis 2022 · In this Article of SQL If Statement, first we covered an overview and key point of SQL if statement, Syntax and syntax argument has been explained, Practical examples of SQL If Statement has been discussed with variable value in condition, constant value has been compared, SQL If with Select query to executed and at the end of the article ...
