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A set of possible data values is called? A set of possible data values is called as domain.
what is check point in database management system
Whst is logical schema ? Logical schema is the entire database.
A database will be made to store information about patients in a hospital. On arrival, each patient’s personal details (name, address, and telephone number) are recorded where poss
Representing complex relationship among data A database may contain varieties of data interrelated to each other in numerous ways. A DBMS must have the capability to represent
Illustrate the State model for the ATM class let us take state model for the ATM class given below in Figure showing state model of the ATM class and the pseudo code derived fr
How does a query tree represent a relational algebra expression? Discuss any three rules for query optimisation, giving example as to when should each rule be applied. Ans
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
what is 3nf
real life situations where database management system are most suitable
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