SQL multi-table query -- student curriculum query

create table

Student table: (serial number, name, age, major)

create table s(
sno INT(11) auto_increment,
sname varchar(125),
sage INT(11),
sdept varchar(125),
primary key(sno)
);

 Course Schedule: (serial number, course name)

create table c(
cno INT (11) auto_increment,
cname varchar(255),
primary key (cno)
);

 Student curriculum relationship table: (serial number, student serial number, course program number, score)

create table sc(
scno INT(11) auto_increment,
sno INT(11),
cno INT(11),
grade INT(255),
primary key(scno)
);

 

Common single table query

 

Guess you like

Origin http://43.154.161.224:23101/article/api/json?id=325007829&siteId=291194637