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(Wildcard - Character(s) to Match) (Transact-SQL)

 

THIS TOPIC APPLIES TO: yesSQL Server (starting with 2008)yesAzure SQL DatabaseyesAzure SQL Data Warehouse yesParallel Data Warehouse

Matches any single character within the specified range or set that is specified between the brackets. These wildcard characters can be used in string comparisons that involve pattern matching, such as LIKE and PATINDEX.

The following example uses the [] operator to find the IDs and names of all Adventure Works employees who have addresses with a four-digit postal code.

-- Uses AdventureWorks  
  
SELECT e.BusinessEntityID, p.FirstName, p.LastName, a.PostalCode  
FROM HumanResources.Employee AS e  
INNER JOIN Person.Person AS p ON e.BusinessEntityID = p.BusinessEntityID  
INNER JOIN Person.BusinessEntityAddress AS ea ON e.BusinessEntityID = ea.BusinessEntityID  
INNER JOIN Person.Address AS a ON a.AddressID = ea.AddressID  
WHERE a.PostalCode LIKE '[0-9][0-9][0-9][0-9]';  

Here is the result set:

EmployeeID      FirstName      LastName      PostalCode  
----------      ---------      ---------     ----------  
290             Lynn           Tsoflias      3000  

LIKE (Transact-SQL)
PATINDEX (Transact-SQL)
_ (Wildcard - Match One Character) (Transact-SQL)
Percent character (Wildcard - Character(s) to Match) (Transact-SQL)
(Wildcard - Character(s) Not to Match) (Transact-SQL)

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