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Define Single Value and Multivalued attribute
Single value attribute comprise a single atomic value for an entity and multivalued attribute may have much more than one value for an entity. For instance, PreviousDegrees of a STUDENT.
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
find the name of supplier who supply some red part
What are the Requirements of algorithm designer Algorithm designer should: i) Select proper algorithm so as to minimize implementation cost ii) Find most appropriate d
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Question: Data Mining is the process of extracting knowledge hidden from large volumes of raw data. (a) Using a suitable example, illustrate how Data Mining can be useful t
Sub query in the UPDATE command : Example : //Double the commission for employees, who have got at least 2 increments. UPDATE EMP SET COMM = COMM * 2 WHERE
State the Steps of Object Design Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to
What is a Data Flow Diagram? Data Flow Diagram: A data flow diagram is the graph that shows flow of data values from their sources in objects in the course of processes whic
Question: Consider the following database relations for a textbook ordering system used by a college bookshop: Book (b-copy#, bname, ISBN#, author, price, subject) Order (s#
A distributed transaction consists of subtransactions that execute at different sites and access local DBMSs at those sites. For example, a distributed transaction that transfers m
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