获取 数据库 和 表信息：
mysql> connect;mysql> show databases;mysql> show tables;mysql> show tables from db_name;mysql> show columns from tbl_name;mysql> show index from tbl_name;mysql> show table status;mysql> show table status from db_name;mysql> show create database db_name;mysql> show create table tbl_name;shell> bin/mysqlshow -uroot -pmeiyoumimashell> bin/mysqlshow db_name -uroot -pmeiyoumimashell> bin/mysqlshow db_name tbl_name -uroot -pmeiyoumimashell> bin/mysqlshow --keys db_name tbl_name -uroot -pmeiyoumimashell> bin/mysqlshow --status db_nameshell> bin/mysqldump --no-data db_name tbl_name -uroot -pmeiyoumima
确定MySQL支持哪些表类型：
mysql> show variables like '%have%';
直接得到表类型清单：
mysql> show table types;