- input_expression
Is the expression evaluated when the simple CASE format is used. input_expression is any valid expression.
- WHEN when_expression
Is a simple expression to which input_expression is compared when the simple CASE format is used. when_expression is any valid expression. The data types of input_expression and eachwhen_expression must be the same or must be an implicit conversion.
- THEN result_expression
Is the expression returned when input_expression equals when_expression evaluates to TRUE, or Boolean_expression evaluates to TRUE. result expression is any valid expression.
- ELSE else_result_expression
Is the expression returned if no comparison operation evaluates to TRUE. If this argument is omitted and no comparison operation evaluates to TRUE, CASE returns NULL. else_result_expression is any valid expression. The data types of else_result_expression and any result_expression must be the same or must be an implicit conversion.
- WHEN Boolean_expression
Is the Boolean expression evaluated when using the searched CASE format. Boolean_expression is any valid Boolean expression.
Select Name, StandardCost, ListPrice, (ListPrice - StandardCost)/StandardCost * 100,
case
when (ListPrice - StandardCost)/StandardCost * 100 <>
when (ListPrice - StandardCost)/StandardCost * 100 between 50 and 99 then 'Not Bad'
else 'Superb'
End [Profit]
from Product
SELECT ProductNumber, Name, 'Price Range' =
CASE
WHEN ListPrice = 0 THEN 'Mfg item - not for resale'
WHEN ListPrice <>
WHEN ListPrice >= 50 and ListPrice <>
WHEN ListPrice >= 250 and ListPrice <>
ELSE 'Over $1000'
END
FROM Production.Product
ORDER BY ProductNumber
Select AddressID, AddressLine1,
case
When AddressLine1 like '%Street%' or AddressLine1 like '%St.%' or
AddressLine1 like '%Ave%' or AddressLine1 like '%Rue%' then 1
else 0
End IsStreet
from Address
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