在某些情况下熟悉sql Server 通配符的使用可以帮助我们简单的解决很多问题。
---使用[^]运算符在Contact表中查找所有名字以Al开头且第三个字母不是字母a的人
USEAdventureWorks2012;
GO
SELECT FirstName,LastName
FROM Person.Person
WHERE FirstName LIKE'Al[^a]%'
ORDER BY FirstName;
---使用[]运算符查找其地址中有四位邮政编码的所有Adventure Works雇员的ID和姓名
USEAdventureWorks2012;
GO
SELECT e.BusinessEntityID,p.FirstName,p.LastName,a.PostalCode
FROMHumanResources.EmployeeAS e
INNER JOIN Person.PersonAS pON e.BusinessEntityID= p.BusinessEntityID
INNER JOIN Person.BusinessEntityAddressAS eaON e.BusinessEntityID=ea.BusinessEntityID
INNER JOIN Person.AddressAS aON a.AddressID= ea.AddressID
WHERE a.PostalCodeLIKE'[0-9][0-9][0-9][0-9]';
结果集：
insert into tbvalues('kevin刘')
insert into tbvalues('刘')
select ,'Eng'from tbwherepatindex('%[a-z]%',name)>0and(patindex('%[吖-坐]%',name)=0)
union all
select ,'CN'from tbwherepatindex('%[吖-坐]%',name)>0andpatindex('%[a-z]%',name)=0
union all
select *,'Eng&CN'from tbwhere(patindex('%[吖-坐]%',name)>0)andpatindex('%[a-z]%',name)>0
结果集：
