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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
Followers
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1
441
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
456
Which of the following operations are associative
Database
2022-07-14
Answers
30
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40
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437
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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481
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
420
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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425
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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420
State true or false: Hybrid hash join is partially pipelined on the probe relation
Database
2022-07-14
Answers
30
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40
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433
Which of the following techniques does not exist?
Database
2022-07-14
Answers
30
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40
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410
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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30
0
1
439
State true or false: Sorting is an inherently blocking operation
Database
2022-07-14
Answers
30
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40
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0
1
455
If the operations do not wait to produce tuples, then it is called as _________
Database
2022-07-14
Answers
30
Question
40
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444
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
432
Total:
11022
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