SQL_模糊查询

--‘_‘匹配单个字符
--‘%‘匹配多个字符

SELECT * FROM Students WHERE Name LIKE ‘张%‘ --查询以‘张‘开头的记录
SELECT * FROM Students WHERE Name LIKE ‘%张‘ --查询以‘张‘结尾的记录
SELECT * FROM Students WHERE Name LIKE ‘张%三‘ --查询以‘张‘开头，‘三‘结尾的记录
SELECT * FROM Students WHERE Name LIKE ‘张%[^三]‘ --查询以‘张‘开头，不以‘三‘结尾的记录


SELECT * FROM Students WHERE Name LIKE ‘张_‘ --查询以‘张‘开头的记录
SELECT * FROM Students WHERE Name LIKE ‘张_三‘ --查询以‘张‘开头，‘三‘结尾的记录