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What are the properties in a relation ?
In a relation Ordering of rows is immaterial and No two rows are identical.
What is E-R model? This data model is based on real world that having of basic objects called entities and of relationship between these objects. Entities are explained in a da
Spanned and unspanned organisation? Spanned and unspanned organization: If records are not permited to cross block boundaries then the organisation is called unspanned record
What are the typical phases of query processing
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
Explain concept of inheritance with support of suitable example. Inheritance Inheritance is one of milestone of object-oriented programming language as it allows a creati
Distributed Database Management System
how map binary relation one to one
Explain about database system structure? Storage manager Authorization and integrity manager Transaction manager File manager Buffer manager Storage manager
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
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