冰封夕阳丶的博客

有一个表（consult ）中，有字段type为(2-15)(1-6)(2-11)(1-1)(1-3)(1-2)(2-12)(2-16)(0-2)(1-4)(2-14)(1-10)(2-17)(2-13)(1-7)(0-1)(1-5) select substring_index(substring_index(type,")",i.id),'(',-1) as t from consult c,ids i where i.id < (select length(type)-length(repl.

select length(type)-length(replace(type,')',''))

今天 select * from 表名 where to_days(时间字段名) = to_days(now()); 昨天 SELECT * FROM 表名 WHERE TO_DAYS( NOW( ) ) - TO_DAYS( 时间字段名) <= 1 7天 SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 7 ...