Consider the following schedule-S-r1x-r2x-2x-3x-r1z-1xWhich of the following is true about the above schedule-

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Consider the ...

Question

Consider the following schedule:
$S : r_{1} (x), r_{2} (x), ω_{2} (x), ω_{3} (x), r_{1} (z), ω_{1} (x)$
Which of the following is true about the above schedule?

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S : r_{1} (x), r_{2} (x), ω_{2} (x), ω_{3} (x), r_{1} (z), ω_{1} (x)

S : ω_{1} (x), r_{2} (x), ω_{3} (x), r_{4} (x), ω_{5} (x), r_{6} (x) ω_{7} (x), r_{9} (x), ω_{9} (x)

S_{1} : r_{1} (x), r_{2} (z), r_{1} (z), r_{3} (x), r_{3} (y), w_{1} (x), w_{3} (y), r_{2} (y), w_{2} (z), w_{2} (y)

S_{2} : r_{1} (x), r_{2} (z), r_{3} (x), r_{1} (z), r_{2} (y), r_{3} (y), w_{1} (x), w_{2} (z), w_{3} (y), w_{2} (y)

S_{1} : W_{2} (x), W_{1} (x), R_{3} (x), W_{2} (y), R_{3} (y), R_{3} (z), R_{2} (x), R_{1} (y)

S_{2} : R_{3} (z), W_{2} (x), W_{2} (y), R_{1} (x), R_{3} (x), R_{2} (z), R_{3} (y), W_{1} (x)

S_{1} : Dirty read problem is same as write-read conflict.

S_{2} : Unrepeatable reads is also known as read-write conflict

S_{3} : Strict two phase locking may have read-write conflict.

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