37
C H A P T E R 1 4
T
r
a
n
s
a
c
t
i
o
n
s
E
x
e
r
c
i
s
e
s
14.1 Show a sequence of updates (withdrawal of money from an account, for
ex-
14.2 Consider two transactions, one transfering Rs 50 from account A to account
B
and another transfering Rs 100 from account B to account A.
14.3 Give an example of a schedule that is view serializable but not conflict serial-
izable. What is the essential feature of such schedules?
. .
.2+ 1
14.4 Give the expansion of ACID.
. . .1
14.5 Give 2 reasons for allowing concurrent execution of
transactions?
. . .2
14.7 Give an example of a schedule that is serializable but not
recoverable.
. . .3
