Refer the below schema diagram: College Management System(CMS) Department Student department_id number --> PK department_name varchar(30) department_block_number number ostudent_id number --> PK student_name varchar(30) Jaddress varchar(40) city varchar(30) department_id number --> FK PK- Primary Key FK- Foreign Key Subject Staff staff_id number --» PK staff_name varchar(30) department_id number-> FK subject_id number -->PK subject_name varchar(30) subject_code varchar(10) staff_id number --> FK Mark value number subject_id number--> PK,FK + student_id number-->PK,FK
Refer the below schema diagram: College Management System(CMS) Department Student department_id number --> PK department_name varchar(30) department_block_number number ostudent_id number --> PK student_name varchar(30) Jaddress varchar(40) city varchar(30) department_id number --> FK PK- Primary Key FK- Foreign Key Subject Staff staff_id number --» PK staff_name varchar(30) department_id number-> FK subject_id number -->PK subject_name varchar(30) subject_code varchar(10) staff_id number --> FK Mark value number subject_id number--> PK,FK + student_id number-->PK,FK
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:Write a query to display the block number and number of departments in each block and give an alias as NO_OF_DEPT. Sort the result based on NO_OF_DEPT in descending.
Refer the below schema diagram:
College Management System(CMS)
Department
Student
department_id number --> PK
department_name varchar(30)
department_block_number number
student id number -- PK
student_name varchar(30)
address varchar(40)
city varchar(30)
department_id number --> FK
PK-- Primary Key
FK-- Foreign Key
Subject
Staff
staff_id number --> PK
staff_name varchar(30)
department_id number--> FK
subject_id number--PK
subject_name varchar(30)
subject_code varchar(10)
staff_id number -- FK
Mark
value number
subject_id number--> PK,FK
student_id number-->PK,FK
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