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Question 1 What do you mean by database management system?
Question 2 Write a note on Object-Oriented Model
Question 3 Explain Sequential File Organization
Question 4 Write about Tuple Relational Calculus
Question 5 What are the properties of Normalized Relations
Question 6 What are the methods commonly used for implementing Joins?
Question 7 Explain the features of Object Oriented System
Explain the Weak Entity Set An Entity set which does not have sufficient attribute to make a primay key is known as weak entity set. For instance, dependents of an employee in
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
PHYSICAL DBMS ARCHITECTURE The physical architecture defines the software components used to process and enter data, and how these software components are related and interc
Project Description: Hi I'm seeking someone to make my dBase application work. I know it's not a 'modern' language but it's what I know. I have written an order program and I ne
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
What is substitutability? Any method of a class-say A can equally well be adjured with any object belonging to any subclasses B of A. This characteristic leads to code reuse, a
What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
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