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What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
recovey techniques based on deferred update and immediate update
State the Object Design for Processing The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i
PHYSICAL DBMS ARCHITECTURE The physical architecture defines the software components used to process and enter data, and how these software components are related and interc
Question 1 Explain ER model Question 2 What are the characteristics of a computer provided information? Question 3 What are facts and guidelines to be considered when se
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Explain the concept of a data model ? Data Model - Model is an abstraction procedure which hides irrelevant details although highlighting details relevant to the application
Why is need for the multiple access paths?
What is called mirroring? The simplest approach to introducing redundancy is to duplicate each disk. This method is called mirroring or shadowing.
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
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