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Mohamad Eskandarane Questions
11022 Questions
State true or false: Estimation of the size of the result of a join is not possible
Database
2022-07-14
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30
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480
The intersection of all records satisfying the individual simple conditions Oi is called as ________
Database
2022-07-14
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30
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453
The union of all records satisfying the individual simple conditions Oi is called as ________
Database
2022-07-14
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30
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457
The ________ SQL command generates statistics on a particular relation
Database
2022-07-14
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444
What kind of a sample must be used for statistical analysis?
Database
2022-07-14
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511
What is the function of the equi-width histogram?
Database
2022-07-14
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460
Most databases store the distribution of values for each attribute as a __________
Database
2022-07-14
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489
Which of the following information does the database system catalog store?
Database
2022-07-14
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451
State true or false: Multiple equivalence rules can be used one after the other on a query
Database
2022-07-14
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501
Which of the following set operations does the selection operation distribute over?
Database
2022-07-14
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497
Which of the following operations is associative
Database
2022-07-14
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519
Theta join operations are
Database
2022-07-14
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459
If no rule can be derived from any combination of others then the set of rules is said to be ________
Database
2022-07-14
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482
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11022
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