其他分享
首页 > 其他分享> > LIKE 操作

LIKE 操作

作者:互联网

建表1:

CREATE TABLE student(
    Sno char(15) NOT NULL,
    Sname char(20) NULL,
    Ssex char(2) NULL,
    Sage smallint NULL,
    Sdept char(20) NULL
)
INSERT student (Sno, Sname, Ssex, Sage, Sdept) VALUES ('2012000', '李一平', '男', '18', 'IS')
INSERT student (Sno, Sname, Ssex, Sage, Sdept) VALUES ('2012111', '张立', '男', '19', 'IS')
INSERT student (Sno, Sname, Ssex, Sage, Sdept) VALUES ('2012222', '刘晨', '女', '19', 'CS')
INSERT student (Sno, Sname, Ssex, Sage, Sdept) VALUES ('2012333', '王敏', '女', '18', 'MA')
INSERT student (Sno, Sname, Ssex, Sage, Sdept) VALUES ('2012444', '李勇', '男', '20', 'CS')
INSERT student (Sno, Sname, Ssex, Sage, Sdept) VALUES ('201255555', '张琴', '女', '19', 'CS')
INSERT student (Sno, Sname, Ssex, Sage, Sdept) VALUES ('201266666', '王方', '女', '20', 'MA')
INSERT student (Sno, Sname, Ssex, Sage, Sdept) VALUES ('3415798', '小白', '男', '21', 'IS')

 

LIKE 操作

like  与 where 使用,作条件限制 ,模糊查询,

语法:SELECT 字段,*  FROM 表名   WHERE 字段   LIKE 条件;

例子:

 

语法:SELECT 字段,*  FROM 表名   WHERE 字段   not  LIKE 条件;

例子:

标签:Sname,LIKE,Sno,Sage,Ssex,Sdept,student,操作
来源: https://blog.csdn.net/qq_42064309/article/details/100658728