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Write short notes on domain relational calculus The domain relational calculus uses domain variables that take on values from an attribute domain rather than values for whole
A set of possible data values is called? A set of possible data values is called as domain.
what factors might influence a company to outsource its IT infrascture.
gyan gurukul is a software company that provides software related solution.
What Command You Use What Day of the week were you born
For every n-ary relationship type R where n>2, we make a new table S to represent R. We contain as foreign key attributes in s the primary keys of the relations that show the parti
An Enterprising group of Entrepreneurs introduced a new business named StoreItRite which is based on data storage and retrieval services. It provides the services and the company c
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
what is primary key
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