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Mohamad Eskandarane Questions
11022 Questions
State true or false: The projection operation does not distribute over the union operation
Database
2022-07-14
Answers
30
Question
40
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1
416
Which of the following set operations is not commutative?
Database
2022-07-14
Answers
30
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40
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1
430
Which of the following operations are associative
Database
2022-07-14
Answers
30
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40
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413
State true or false: Selection operations are commutative
Database
2022-07-14
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30
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40
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455
If on every legal database instant, the two expressions generate the same set of tuples, the expressions are called as
Database
2022-07-14
Answers
30
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40
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1
396
Which of the following functions does an iterator not provide
Database
2022-07-14
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30
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40
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398
The usage of two buffers, with one continuing execution of the algorithm while the other is written is called as __________
Database
2022-07-14
Answers
30
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40
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392
State true or false: Hybrid hash join is partially pipelined on the probe relation
Database
2022-07-14
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30
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40
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409
Which of the following techniques does not exist?
Database
2022-07-14
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30
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40
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382
State true or false: Join is an inherently blocking operation
Database
2022-07-14
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30
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40
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1
413
State true or false: Sorting is an inherently blocking operation
Database
2022-07-14
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30
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40
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434
If the operations do not wait to produce tuples, then it is called as _________
Database
2022-07-14
Answers
30
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40
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414
If the system makes repeated requests for tuples from the operation at the top of the table, it is called as _________
Database
2022-07-14
Answers
30
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40
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30
0
1
402
Total:
11022
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