Mysql 随机数据
SELECT t1.* FROM table_name AS t1 JOIN (SELECT ROUND(RAND()*(SELECT MAX(id)
FROM table_name)) AS id) AS t2 WHERE t1.id>=t2.id ORDER BY t1.id LIMIT 1;
分类 mysql 下的文章
MySql in 就一条数据
where FIND_IN_SET(id,‘xxxx’)
MySql拿到插入的ID
场景:插入一条数据,这条数据的ID是自增的主键.需要在插入的时候拿到这个IDnpm i mysql
conn.query(sql,(err,data)=>{
console.log(data.insertId)
})