MYSQL 複合主鍵[複合主鍵] Create Table – jashliao部落格
MYSQL 複合主鍵[複合主鍵] Create Table
資料來源:http://www.jb51.net/article/21382.htm
create table sc (
studentno int,
courseid int,
score int,
primary key (studentno,courseid) );
MYSQL 複合主鍵[複合主鍵] Create Table
資料來源:http://www.jb51.net/article/21382.htm
create table sc (
studentno int,
courseid int,
score int,
primary key (studentno,courseid) );