📄 createtable.sql
字号:
create table Admininfo(
ano varchar(10) primary key,
aname nvarchar(20) not null,
code varchar(20) not null,
)
create table Department(
dno varchar(6)primary key,
dname nvarchar(20)not null,
)
create table Student(
sno varchar(10) primary key,
sname nvarchar(20) not null,
sex nvarchar(4) not null,
dno varchar(6),
code varchar(20) not null,
foreign key (dno) references Department(dno),
)
create table Course(
cno varchar(6) primary key,
cname nvarchar(20) not null,
credit varchar(4) not null,
)
create table DC(
dno varchar(6),
cno varchar(6),
major nvarchar(3)not null,
primary key(dno,cno),
foreign key(dno) references Department(dno),
foreign key(cno) references Course(cno),
)
create table SC(
sno varchar(10),
cno varchar(6),
primary key (sno,cno),
foreign key(sno) references Student(sno),
foreign key(cno) references Course(cno),
)
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -