mysql的自动补齐
设置my.cnf : auto-rehash
mysql>use mysql; #这是关键
DELETE t1 FROM invest_year t1, invest_year t2 WHERE t1.pro_id = t2.pro_id AND t1.pro_year = t...
SELECT product_brand FROM shop_product WHERE LENGTH(product_brand)>...
减去一天SELECT DATE_SUB(CURDATE(), INTERVAL 1 DAY);减去一个小时hour(now())-1...
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...
SELECT * FROM shop_count WHERE DATE(count_date)=current_date(); SELECT * FROM sho...
mysql -h ***.***.***.*** -P 3306 -u root -pmysqldump -h ***.***.***.*** -P 3...