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below is my tables
create table school1(school_id int identity(1,1) NOT NULL primary key,school_name varchar(250));
create table branch1(branch_id int identity(1,1) NOT NULL primary key,School_id int foreign key references school1(School_id),branch_name varchar(100));
create table class1(class_id int identity(1,1) primary key NOT NULL, class_name varchar(20),branch_id int foreign key references branch1(branch_id),course_year varchar(10),createddateandtime date)
create table section1(section_id int identity(1,1) primary key NOT NULL,section_name varchar(20),class_id int foreign key references class1(class_id),section_year varchar(10),creatddateandtime date)

the class1 table contain foreign key from branch table(branch_id) but in the database diagram there is no link between them

What is the problem im my table
Sergey Alexandrovich Kryukov 17-Jul-12 16:21pm    
Why don't you think there is no "link" between them? There is a relation.
Probably by "diagram" you mean something called "database schema".
Tejas Vaishnav 19-Jul-12 2:11am    
I tried to create temp db with your above query.
and then create database diagram from sqlserver then it will show the link between all tables.

like school -> branch -> class -> section

its working fine.

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