CASE ОПЕРАТОР — Oracle PL/SQL •MySQL •MariaDB •SQL Server...
CASE [ expression ]. WHEN condition_1 THEN result_1 WHEN condition_2 THEN result_2 …
CASE (Transact-SQL) - SQL Server | Microsoft Docs
Например, выражение CASE можно использовать в таких инструкциях, как SELECT, UPDATE, DELETE и SET, а также в таких предложениях
SQL CASE Statement | Demo Database
CASE WHEN condition1 THEN result1 WHEN condition2 THEN result2 WHEN conditionN THEN resultN ELSE result END; Demo Database.
SQL-запросы. Условный оператор CASE...WHEN...THEN
CASE WHEN bool_expression1 THEN value1 .....
oracle - SQL select case when clause - Stack Overflow
WHEN ListPrice >= 250 and ListPrice < 1000 THEN 'Under $1000'. ELSE 'Over $1000' END FROM Production.Product. ORDER BY ProductNumber. But there is SQL error, missing important words before FROM. What is the blueprint for us to use case if I want to select all the columns ?
SQL Select case when then else
Very often you want to perform IF statement in SELECT and replace one value with another. In SQL we cannot use IF in SELECT clause however we can achieve the same result using CASE WHEN THEN ELSE. In the below example I will use a very simple example where I will divide 7 days into 3 parts...
SQL CASE - 1Keydata SQL 語法教學
SELECT Store_Name, CASE Store_Name WHEN 'Los Angeles' THEN Sales * 2 WHEN 'San Diego' THEN Sales * 1.5 ELSE Sales END "New Sales", Txn_Date FROM Store_Information
CASE statement in SQL | The CASE statement and comparison operator
SELECT CASE Expression. When expression1 Then Result1.
Oracle CASE When, Select and Other... — DatabaseJournal.com
select sal, case when sal < 2000 then 'category 1' when sal < 3000 then 'category 2' when sal < 4000 then 'category 3' else 'category 4' end from emp; E.g.: The requirement is to find out the count of employees for various conditions as given below. There are multiple ways of getting this output.
MS SQL Server и T-SQL | Функции CASE и IIF
SELECT ProductName, Manufacturer, CASE ProductCount WHEN 1 THEN 'Товар заканчивается' WHEN 2 THEN 'Мало товара' WHEN 3 THEN 'Есть в наличии' ELSE 'Много товара' END AS EvaluateCount FROM Products. Здесь значения столбца ProductCount последовательно...