MYSQL通过存储过程实现批量建表

MySQL root@[test]> delimiter //
MySQL root@[test]> create procedure sp_create_tab()
begin
set @str = " (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '自增主键',
  `bak0` varchar(128) DEFAULT NULL COMMENT '备用',
  `bak1` varchar(128) DEFAULT NULL COMMENT '备用',
  `bak2` varchar(128) DEFAULT NULL COMMENT '备用',
  `bak3` varchar(128) DEFAULT NULL COMMENT '备用',
  `bak4` varchar(128) DEFAULT NULL COMMENT '备用',
  `bak5` varchar(128) DEFAULT NULL COMMENT '备用',
  `bak6` varchar(128) DEFAULT NULL COMMENT '备用',
  `bak7` varchar(128) DEFAULT NULL COMMENT '备用',
  `bak8` varchar(128) DEFAULT NULL COMMENT '备用',
  `bak9` varchar(128) DEFAULT NULL COMMENT '备用',
  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
  `update_time` datetime DEFAULT NULL COMMENT '修改时间',
  PRIMARY KEY (`id`),
  KEY `bak0` (`bak0`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COMMENT='表'";
set @j = 0;
while @j < 256 do
set @table = concat('table_name_',@j);
set @sql_t = concat("CREATE TABLE ",@table,@str);
prepare sql_t from @sql_t;
execute sql_t;
set @j = @j + 1;
end while;
end
//

Query OK, 0 rows affected (0.00 sec)
MySQL root@[test]> delimiter ;
MySQL root@[test]> call sp_create_tab;
MySQL root@[test]> drop procedure sp_create_tab;