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INF503 WEEK-7 LESSON (22,23) LAB

                                

         LESSON 22


1 .Deferred update is also known as the ______


A). NO-UNCO/REDO algorithm

2. For which of the following checkpoint actions does the fuzzy checkpointing technique come into use to overcome from the action?

A) .Suspend execution of transactions temporarily




3.which of the following is a specific recovery scheme used in many of IBM’s relational database products?



A) .ARIES algorithm

LESSON  23

1.      



Q1) Which of the following transparencies is also know as distribution or network transparency?

A) Data organization



Q2) 1.       What reduces the contention for CPU and I/O service and simultaneously reduce access delays involved area networks?

A) Data localization


Q3) 1.       Which autonomy implies that component DBS has the ability to decide whether and how much to share its functionality and resources with other component DBS?

A) Association




LAB 






























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