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What is nested relational model?
The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
how many types of data model in DBMS? explain data abstraction with its different level
An entity set that does not have sufficient attributes to form a primary key is called? An entity set that doesn't have sufficient attribute to form a primary key is known as w
Scenario 1: Power goes out after the first instruction. What happens?
How many types of users works on database? Users are differentiated through the way they expect to interact along with the system (i) Application programmers-interact with
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
Two-way Associations Mostly, associations are travel in both directions, although not usually with same frequency. There are three approaches for the implementation. In
Define the terms i) Entity type ii) Entity set Entity type: An entity type describes a collection of entities that have the similar attributes. Entity set: The set of all en
explain in detail about crash recovery
Have database built but having problems with some questions that go with the database
Describe different steps of the object-oriented design process. The broad steps of the object-oriented design process are: a. Define context and modes of use of the system
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