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What is OOM?
Object oriented modeling is an approach by which modeling of systems is done by visualizing the system based on real world concepts. Object oriented modeling does not dependent upon language and generally used for the complex system development.
write a database program for concurrency transaction in a bank
Describe the different RAID levels. Discuss the choices of the different RAID levels for different applications. Ans: There are several combinations of these approa
About Attribute inheritance
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
Some disadvantages of File Oriented System ?
What are the DBMS languages? Briefly explain? Data Definition language (DDL):A database schema is specified through a set of definitions expressed through a special language
definition and its work
Explain pipelining. Ans: In order to describe pipelining in simple terms, think of it as breaking down processor functions into smaller and smaller parts. For instance,
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
Differentiate between Key and superkey? Key and superkey - A key a single attribute or a combination of two or more attributes of an entity set in which is used to identify o
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