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The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
You are required to implement integrity constraints within the database to enforce the following requirements: For Projects: Start date must be supplied. Start date cannot be i
What is an ER diagram? Why is it used in Database management system (DBMS)?
how many hourse have been spent on a certain project
In this assignment, you will create a program that works with multiple tables. In this assignment, you will work with the factory and sales tables. 1. Create a new project nam
Strong entity set and weak entity set? Strong entity set and weak entity set: A strong entity set has a primary key. All tuples in the set are distinguishable through that key.
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
Question 1 Discuss about second normal form and third normal form Question 2 Write short note on 1) Data Manipulation Language 2) Data Definition La
Multi-Key File Organisation In this part, we will introduce two basic file Organisation schemes that permit records to be accessed by more than one key field, therefore, allowi
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
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