mysql查看库、表语句

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 [FROM db_name]     //列出资料表字段SHOW FIELDS FROM tbl_name [FROM db_name]，DESCRIBE tbl_name [col_name]。SHOW FULL COLUMNS FROM tbl_name [FROM db_name]//列出字段及详情SHOW FULL FIELDS FROM tbl_name [FROM db_name] //列出字段完整属性SHOW INDEX FROM tbl_name [FROM db_name]       //列出表索引。SHOW STATUS                                  //列出 DB Server 状态。SHOW VARIABLES                               //列出 MySQL 系统环境变量。SHOW PROCESSLIST                             //列出执行命令。SHOW GRANTS FOR user                         //列出某用户权限

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