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This tutorial shows you how to use the SQL Server IF...ELSE statement to control the flow of a program.
- SQL Server WHILE
Let’s take an example of using the SQL Server WHILE...
- Cursor
Cursor - SQL Server IF ELSE Statement By Examples - SQL...
- Try Catch
Try Catch - SQL Server IF ELSE Statement By Examples - SQL...
- Dynamic SQL
Dynamic SQL - SQL Server IF ELSE Statement By Examples - SQL...
- SQL Server WHILE
15 wrz 2008 · How do I perform an IF...THEN in an SQL SELECT statement? For example: The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server. CASE. WHEN Obsolete = 'N' or InStock = 'Y' THEN 1. ELSE 0. END AS bit) as Saleable, * You only need to use the CAST operator if you want the result as a Boolean value.
12 wrz 2022 · SQL ELSEIF and ELSE Condition. Like many other programming languages, T-SQL can pair the IF keyword with ELSE IF and ELSE to more easily check multiple mutually exclusive scenarios. When combined, the first statement must be a single IF statement. This can be optionally followed by one or more ELSE IF statements.
23 paź 2024 · SQL statements are used to retrieve and update data in a database. The best way we learn anything is by practice and exercise questions. We have started this section for those (beginner to intermediate) who are familiar with SQL. Hope, these exercises help you to improve your SQL skills.
The Exercise. The exercises are a mix of "multiple choice" and "fill in the blanks" questions. There are between 3 and 9 questions in each catergory. The answer can be found in the corresponding tutorial chapter. If you're stuck, or answer wrong, you can try again or hit the "Show Answer" button to see the correct answer.
Example - using EXISTS to see if records exist. The following query prints out a suitable message if SQL Server can find films which won ten or more Oscars:
3 wrz 2024 · Imposes conditions on the execution of a Transact-SQL statement. The Transact-SQL statement that follows an IF keyword and its condition is executed if the condition is satisfied: the Boolean expression returns TRUE.
