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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.
QUESTION (a) Consider a car database consisting of car model, car make, car origin, Engine capacity, color, cost.
Give an example of Object Representation For illustration, consider the implementation of a social security number within an employee object that is shown in Figure. The soci
distributed quey processing
Define weak and strong entity sets? Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets. Strong entity set
Describe domain constraints. Domain constraints contain entity integrity and referential integrity. The domain is a set of values that might be assigned to an attribute. The en
It defines that no primary key value can be null. This is as the primary key is used to recognize individual tuple in the relation. So we will not be able to recognize the records
What is a Database? To know what database is, we have to start from data, which is the basic building block of any DBMS. Data: Facts, figures, statistics etc. having no pa
need requirement analysis for database management of stock market
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
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