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Virtual Gate Test Series: Databases - Schedule
firki lama
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in
Databases
Dec 27, 2016
edited
Apr 2, 2019
by
Lakshman Bhaiya
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True/false
Every cascading rollback schedule is recoverable schedule.
databases
schedule
cascading-recoverable
virtual-gate-test-series
firki lama
asked
in
Databases
Dec 27, 2016
edited
Apr 2, 2019
by
Lakshman Bhaiya
by
firki lama
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by
RAJESHWAR YADAV
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Dec 27, 2016
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it is true
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Virtual Gate Test Series: Databases - Schedule
Which of the following is/are true? I. Every strict schedule is cascade less schedule and recoverable schedule II. Every cascade less schedule is recoverable schedule III. Every cascading rollback schedule is recoverable schedule IV. Every cascading rollback schedule is a ... of the above I, II, and IV only II, III, IV, and V only I, II, and III only
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smartmeet
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Virtual Gate Test Series: Databases - Recover Schedule
Assume there are n transactions$:T_{1},T_{2},.,T_{n}.$ Every transaction writes value of $X$ that is read by its successive transaction like $T_{1}$ writes value of $X$ that is read by $T_{2}, T_{2}$ writes a value of ... $X$ that is read by Tn. Now,if $T_{1}$ fails,then total how many transaction rollbacks are required to recover the schedule?
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May 28, 2019
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Virtual Gate Test Series: Databases - ER to Relational Model
how many tables are required?
aditi19
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aditi19
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Virtual Gate Test Series: Databases - Schedules
A' is set of all possible schedules 'C' is set of all possible schedules that are guaranteed to produce a correct final result 'S' is the set of all serializable schedules 'P' is the set of all schedules possible under 2-phase locking protocol Which is FALSE? $P\subseteq C$ $S\subset P$ $S\subseteq P$ $P\subset C$
aditi19
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Databases
May 28, 2019
by
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