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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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427
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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403
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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403
The ________ SQL command generates statistics on a particular relation
Database
2022-07-14
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390
What kind of a sample must be used for statistical analysis?
Database
2022-07-14
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30
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456
What is the function of the equi-width histogram?
Database
2022-07-14
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406
Most databases store the distribution of values for each attribute as a __________
Database
2022-07-14
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441
Which of the following information does the database system catalog store?
Database
2022-07-14
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379
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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435
Which of the following set operations does the selection operation distribute over?
Database
2022-07-14
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426
Which of the following operations is associative
Database
2022-07-14
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457
Theta join operations are
Database
2022-07-14
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395
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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422
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11022
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