CREATE TABLE animals (
id MEDIUMINT NOT NULL AUTO_INCREMENT,
name CHAR(30) NOT NULL,
PRIMARY KEY (id)
);
insert into animals values(null,'kitty'),(null,'KITTY'),(null,'hello');
#没用binary
select id from animals where name like '%it%';
+----+
| id |
+----+
| 1 |
| 2 |
+----+
2 rows in set (0.00 sec)
#用到binary
select id from animals where name like binary '%it%';
+----+
| id |
+----+
| 1 |
+----+
1 row in set (0.03 sec)
免责声明：本站发布的内容（图片、视频和文字）以原创、转载和分享为主，文章观点不代表本网站立场，如果涉及侵权请联系站长邮箱：is@yisu.com进行举报，并提供相关证据，一经查实，将立刻删除涉嫌侵权内容。
