Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Question:
Using the data model express the following queries in SQL.
(a) Create the Table named "Cinema" and make the cinema_code to be the primary key of the relation and the Town and Manager number to be the Foreign key of the table. What are the assumptions you have to make for the code to compile successfully?
(b) Add a new column in the table named Cinema to store the telephone number of the cinema.
(c) Add a new record in the Cinema Table with the following values:
(d) Modify the population value for Cardiff from 300,000 to 350,000.
(e) List all the cinema names and the town in which the film ‘Star Wars' has been shown.
(f) List all the film names and their respective film taking (the number of shows) which has been played at Rex found in Cardiff.
(g) Create a view named Cinema_Rex_View which will shows all the films played at Rex found in Cardiff. The views should have the following columns.
What are the two integrity rules? Ans: The two integrity rules are: Entity Integrity Rule & Referential Integrity Rule. Entity Integrity Rule - If the attribute A of rel
Which two files are used during operation of the DBMS? Data dictionary and transaction log are two files used during operation of the DBMS.
Consider the subsequent relation schemes: Project (Project#, Project_name, chief_architect) Employee (Emp#, Empname) Assigned_To (Project#, Emp#) Give expression i
Define entity integrity and referential integrity. How does SQL allow specification of these? Ans: Entity Integrity Rule- If the attribute A of relation R is a prime attribut
Project Description: Need Point of Sale software for pizza restaurant. Delivery and take out service, client's database, inventory control, order history, last order, order from
Your friend owns a computer store in Yuen Long, selling Desktop and Notebook PCs and other computer peripherals. Having been rather successful with his business there, he decided t
Three Level Architecture of DBMS or Logical DBMS Architecture The logical architecture defines how data in the database is perceived by users. It is not deals with how the da
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
Read the description below and draw an Entity-Relationship diagram for it. You must use the symbols described in the course materials. This database will help the Parents Assocc
What is inheritance? Define it in detail? Inheritance Inheritance can be at the levels of types, or at the level of tables we first consider inheritance of types, then i
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd