摘要:
表结构如下: 查询两支队伍的比赛情况,sql语句如下: SELECT t1.team_name,g.team1_score,g.team2_score,t2.team_name,g.gametime FROM game as g,team as t1 ,team as t2 WHERE g.team 阅读全文
摘要:
SHOW DATABASES //列出 MySQL Server 数据库。SHOW TABLES [FROM db_name] //列出数据库数据表。SHOW TABLE STATUS [FROM db_name] //列出数据表及表状态信息。SHOW COLUMNS FROM tbl_name [ 阅读全文
摘要:
Implementatoito convert a string to an integer.Hint:Carefully consider all possible input cases. If you want a challenge, please do not see below and ... 阅读全文