显然用find_in_set()查询得到的结果才是我们想要的结果。所以他俩的 主要的区别就是like是广泛的模糊查询;而find_in_set()是精确匹配,并且字段值之间用‘,'分开,Find_IN_SET查询的结果要小于like查询的结果。 mysql 中find_in_set()和in()用法比较 在mysql中in可以包括指定的数字,而find_in_set()用于特定...
使用like可能查到我们不想要的记录，它比like更精准，这时候mysql的FIND_IN_SET函数就派上用场了，...
7.The house is in a lovely ___ (set) in the Malvern hills.8.Nicky’s job as a public relations director involves ___(spend) quite a lot of time with other people.9.He raced through the living room, only ___ (find) the front doorclosed.10.Ferris ha...
9. It enables you (find, to find) vacancies and make connections more easily in your chosen field. 10. (Setting,set) goals allows you to choose how you live your life. 答案 1. 第一题是关于"should"和"have to"的区别。"should"表示建议或推荐,而"have to"表示...
几道语法题1.Yesterday I went to see him,___ that he had gone abroad two daysbefore.A.only to learn B.to learn onlyC.only learned D.learning only:为什么D不可以.2.That's a small bookstore,and you may have some difficulty __ it.A.to find B.of findingC.to be finding D.in findi...
a number of systems come together as an inter-related set, called a system network. We can illustrate again from the grammar of MOOD. The choice between 'indicative' and 'imperative' is 6 the most general one in this area of the gramma 当我们来探索‘从在附近’时,我们发现,通过他们的入口...
语法填空(共10小题,每小题1.5分.满分15分). I felt upset when I 1 that I would have to leave the company. In order to find 2 new job to support the family, I read almost all the newspapers 3 set down almost all the telephone numbers in ads 4
MySQL 手册中 find_in_set 函数的语法: FIND_IN_SET(str,strlist) 假如字符串 str 在由 N 子链组成的字符串列表 strlist 中,则返回值的范围在 1 到 N 之间。 一个字符串列表就是一个由一些被‘,’符号分开的子链组成的字符串。如果第一个参数是一个常数字符串,而第二个是 type SET 列,则 FIND_IN...