使用SQL语句创建一个数据库,名字为mydb,数据文件名为: mydb_data.mdf...答:< filespec > [ ,...n ]eg.USE master GO CREATE DATABASE Mydb ON ( NAME = Mydb_dat,FILENAME = 'mydb_data.mdf',SIZE = 2,MAXSIZE = 50,FILEGROWTH = 5 )LOG ON ( NAME = 'Sales_log',FILENAME = 'mydblog.ldf',SIZE = 1MB,MAXSIZE = 25MB,FILEGROWTH = 1MB )GO ...