Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 09 Oct 2017 My Price 4.00

DBMS interleave

Exercise  1. 9   Answer  the  following questions:

 

1.     What is a transaction?

2.     Why does a DBMS interleave the actions of different transactions instead of executing transactions one after the other?

3.      What must a user guarantee with respect to a transaction and database consistency? What should a DBMS guarantee with respect to concurrent execution of several trans• actions and database consistency'?

4.      Explain the strict two-phase locking protocol.

5.      What is the WAL property, and why is it important?

Answers

Maurice Tutor
(5)
Status NEW Posted 09 Oct 2017 02:10 PM My Price 4.00

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