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What is transaction?
Transaction is a unit of program implementation that accesses and possibly updated several data items.
Attributes and its types explain?
Probelm: a) In the context of OODBMS, define the following terms with appropriate examples. (i) Object class. (ii) Abstract class. (iii) Aggregation. (iv)
Explain the cartesian product in Database Management System
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
Need a sample of a clinic database relationships
What is the difference between a key and a superkey? Key - A key a single attribute or a combination of two or more attributes of an entity set which is used to identify one
Question: a) Discuss the concept of data independence, explaining its importance in a database environment. b) To address the issue of data independence, the ANSI-SPARC t
East Coast Aquarium Relational Database
explain concept of decomposition?
The Transactions- A transaction is definite as the unit of work in a database system. Database systems that deal with a huge number of transactions are also termed as transaction p
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