select Id,city from Domestic where city like ('%,') --city结尾为,号在表Domestic中的Id,city字段 select Id,city from Domestic where city not like ('% %') --city中没有空格在表Domestic中的Id,city字段 SELECT * FROM Persons WHERE City LIKE '[!ALN]%' --Persons 表中选取City字段不以 "A" 或 "L" 或 "N" 开头的 SELECT * FROM Persons WHERE City LIKE '[ALN]%' --Persons 表中选取City字段以 "A" 或 "L" 或 "N" 开头的