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Objectives
Multilevel Index The Multilevel Index is a modification of the secondary level index system. In this system we might be use even more number of levels in case the table is eve
Log based recovery: Let us first describe the term transaction log in the context of DBMS. A transaction log is a record in DBMS that remains track of all the transactions of a dat
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
Define What are the desirable properties of a decomposition Ans: What are the desirable properties of decomposition - dependency preserving. Because Lossless join and dependen
how design database from begining
Question : (a) Database Management Systems (DBMS) is the foundation of business intelligence. Explain the following concepts related to DBMS: (i) Entity Relationship Diagr
management information system based on functional organisation
Write short notes on transaction state? A transaction may not always complete its implementation successfully such a transaction is termed aborted A transaction must be in o
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