mysql减去一天与减去一个小时
减去一天
SELECT DATE_SUB(CURDATE(), INTERVAL 1 DAY);
减去一个小时
hour(now())-1
减去一天
SELECT DATE_SUB(CURDATE(), INTERVAL 1 DAY);
减去一个小时
hour(now())-1
SELECT CURDATE()当天日期...
SELECT * FROM shop_count WHERE DATE(count_date)=current_date(); SELECT * FROM sho...
判断字符串(string)中是否包含另一个字符串(subStr)locate(subStr,string) :函数返回subStr在string中出现的位置实际运用SELECT LOCAT...
DELETE t1 FROM invest_year t1, invest_year t2 WHERE t1.pro_id = t2.pro_id AND t1.pro_year = t...
SELECT * FROM **** WHERE trim(字段名) REGEXP '[^0-9]'=1...
update 表名 SET log_Content = REPLACE(log_Content,'"upload','"/upload')...