MySQL数据库中:
查询某个数据库中某个表的所有列名
SELECT COLUMN_NAME FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = \'db_name\' AND TABLE_NAME = \'tb_name\';
查询某个数据库中某个表的所有列名,并用逗号连接
SELECT GROUP_CONCAT(COLUMN_NAME SEPARATOR ",") FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = \'db_name\' AND TABLE_NAME = \'tb_name\';
注意:只需要替换db_name(数据库名)和tb_name(表名)