qq_44883214的博客

为了阅读节省时间，提前列出可能出现的两个报错：A：warning: LF will be replaced by CRLF.The file will have its original line endings in your working directory.B：failed to push some refs to…1，第一步：git init建立git仓库，新建一个本地仓库，其...

DELIMITER //CREATE PROCEDURE ordertotal( IN onumber INT, OUT ototal DECIMAL(8,2))BEGIN SELECT Sum(item_price*quantity) FROM orderitems WHERE order_num = onumber INTO ototal;END/...