WebApr 11, 2024 · Cet article explique l'utilisation de CASE dans les requêtes SQL comprenant les instructions SELECT, ORDER BY, WHERE, HAVING et UPDATE à l'aide d'exemples … WebFeb 28, 2024 · The following example uses the UPPER and RTRIM functions to return the last name of people in the dbo.DimEmployee table so that it is in uppercase, trimmed, and concatenated with the first name. SQL. -- Uses AdventureWorks SELECT UPPER(RTRIM(LastName)) + ', ' + FirstName AS Name FROM dbo.DimEmployee ORDER …
TSQL CASE with if comparison in SELECT statement
WebMar 15, 2024 · I have shown two sets of T-SQL statements in the above script. The first set of scripts will return the total sum of the products which have a 50% discount, and this was returned using the function SUM and a CASE expression. Another T-SQL statement is a validation script to reverify whether our output using the CASE expression is correct. WebApr 30, 2024 · Problem. CASE is one of the most powerful and more complex built-in expressions in Transact-SQL. Due to its name, this expression is regularly mistaken for the CASE statement available in some other languages. In SQL Server, the purpose of the CASE expression is to always return an expression. It’s not intended for control of flow, which is ... flip by fluidcoins
How to Use CASE in SQL LearnSQL.com
WebSQL CASE Keyword Previous SQL Keywords Reference Next CASE. The CASE command is used is to create different output based on conditions. The following SQL goes through … WebSep 8, 2024 · Home Database development, Statements How to Use SQL Server T-SQL Function SUM: 5 Use Cases. The T-SQL SUM function is one of the fundamental functions. Its purpose is to calculate the sum of all values in the specified column – note that it applies to numeric columns only. Below is the syntax of SQL SUM. -- Aggregate Function Syntax … WebAug 17, 2024 · Before I go into details on how CASE works, take a look at the syntax of the CASE statement: CASE. WHEN THEN , WHEN THEN . ELSE . END AS . Let’s look at a practical example of a simple CASE statement. Here is the order_summary table: order_id. flip butter dish