我想知道有没有一种方法可以选择随机产生的100到500之间的数字以及选择查询.
I would like to know is there a way to select randomly generated number between 100 and 500 along with a select query.
例如:SELECT name, address, random_number FROM users
我不必将此数字存储在db中,仅用于显示目的.
I dont have to store this number in db and only to use it to display purpose.
我尝试过类似的方法,但是无法正常工作.
I tried it something like this, but it can't get to work..
SELECT name, address, FLOOR(RAND() * 500) AS random_number FROM users希望有人帮助我. 谢谢
Hope someone help me out. Thank you
推荐答案这应该提供您想要的内容:
This should give what you want:
FLOOR(RAND() * 401) + 100通常,FLOOR(RAND() * (<max> - <min> + 1)) + <min>生成一个介于>和<max>之间的数字.
Generically, FLOOR(RAND() * (<max> - <min> + 1)) + <min> generates a number between <min> and <max> inclusive.
更新
此完整的声明应该起作用:
This full statement should work:
SELECT name, address, FLOOR(RAND() * 401) + 100 AS `random_number` FROM users更多推荐
使用MYSQL创建一个随机数
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