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.
various techniques of hashing?
Question: a) There are three concurrency problems, i.e. three types of potential mistake which could occur if concurrency control is not properly enforced in the database syst
What are stand-alone procedures? Procedures that are not part of a package are called as stand-alone because they independently defined. A good example of a stand-alone procedu
how to implement mid square hashing?
What is banker's algorithm? Banker's algorithm is a deadlock avoidance algorithm that is applicable to a resource-allocation system with multiple instances of each resource ty
From SAD to OOAD (Structured Analysis and Design (SAD) to Object Oriented Analysis and Design (OOAD). We will find here how we can map various models in SAD to different model
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
Consider the following relations: BRANCH( bno, street, area, city, pcode, Tel_no, Fax_no) STAFF( Sno, Fname, Lname, address, position , salary, bno) Express the subsequent qu
Which database level is closest to the users? External database level is closest to the users.
Describe the functions and features of foreign key? Foreign Key : The primary key of one file or table that is implanted in another file or table to implement the relationships
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: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd