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Question: (a) What are decision support systems, and what role do they play in the business environment? (b) Data mining is a knowledge discovery process of automated extr
Performance of Various Concurrency Control Mechanisms
what is the need of a log in dbms
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
Explain Interblock gap? Interblock Gap - A track of a disk is separated into equal-sized disk blocks. Blocks are separated through fixed-size gaps, called as interblock gaps th
(a) Why did SAP introduce the extended star schema?
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
ER diagram on cosmetics
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
Surgeons identified by doctor ID (DOCID) operate on patients identified by patient ID (PATID) in operating theaters identified by room numbers (ROOMNO). Each surgeon can operate on
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