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Mohamad Eskandarane Questions
11022 Questions
Which level of RAID refers to disk mirroring with block striping
Database
2022-07-17
Answers
30
Question
40
Followers
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1
1419
Disadvantages of File systems to store data is:
Database
2022-07-17
Answers
30
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40
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1225
The _________ provides a set of operations that take one or more relations as input and return a relation as an output
Database
2022-07-17
Answers
30
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645
A ________ is a pictorial depiction of the schema of a database that shows the relations in the database, their attributes, and primary keys and foreign keys
Database
2022-07-17
Answers
30
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684
The _______ operator takes the results of two queries and returns only rows that appear in both result sets
Database
2022-07-17
Answers
30
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708
The most commonly used operation in relational algebra for projecting a set of tuple from a relation is
Database
2022-07-17
Answers
30
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729
The _______operation performs a set union of two “similarly structured” tables
Database
2022-07-17
Answers
30
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1213
The result which operation contains all pairs of tuples from the two relations, regardless of whether their attribute values match
Database
2022-07-17
Answers
30
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40
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644
The_____ operation allows the combining of two relations by merging pairs o tuples, one from each relation, into a single tuple
Database
2022-07-17
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30
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663
Which one of the following is a procedural language
Database
2022-07-17
Answers
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679
Student(ID, name, dept name, tot_cred)
Database
2022-07-17
Answers
30
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40
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1
663
Using which language can a user request information from a database
Database
2022-07-16
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30
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40
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567
The ______ is the one in which the primary key of one relation is used as a normal attribute in another relation
Database
2022-07-16
Answers
30
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40
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704
Total:
11022
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