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Mohamad Eskandarane Questions
11022 Questions
The phenomenon in which one failure leads to a series of transaction rollbacks is called as ________
Database
2022-07-19
Answers
30
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40
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1
674
A transaction that performs only one operation is called as a _________
Database
2022-07-19
Answers
30
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40
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1
733
Which of the following is the most expensive method
Database
2022-07-19
Answers
30
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699
State true or false: If I = read(Q) and J = write(Q) then the order of I and J does not matter
Database
2022-07-19
Answers
30
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40
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30
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1
586
State true or false: If I = read(Q) and J = read(Q) then the order of I and J does not matter
Database
2022-07-19
Answers
30
Question
40
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30
0
1
582
A ___________of the transactions can be obtained by finding a linear order consistent with the partial order of the precedence graph
Database
2022-07-19
Answers
30
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594
The set of ________ in a precedence graph consists of all the transactions participating in the schedule
Database
2022-07-19
Answers
30
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642
A schedule is __________ if it is conflict equivalent to a serial schedule
Database
2022-07-19
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30
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690
lIf a schedule S can be transformed into a schedule S’ by a series of swaps of non-conflicting instructions, then S and S’ are
Database
2022-07-19
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30
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1158
I and J are _________ if they are operations by different transactions on the same data item, and at least one of them is a write operation
Database
2022-07-19
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30
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40
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629
The scheme that controls the interaction between executing transactions is called as _____
Database
2022-07-19
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30
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40
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709
The execution sequences in concurrency control are termed as ________
Database
2022-07-19
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30
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40
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703
Which of the following is not a transaction state
Database
2022-07-19
Answers
30
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40
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30
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1
576
Total:
11022
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