What is a database cursor? MCQ with Answer and Explanation
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Question #1
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What is the purpose of the SQL 'IN' operator?
Correct Answer: Option C
Explanation:
IN is used to test membership in a set of values.
IN is used to test membership in a set of values.
This question belongs to:
Computer
Database Management System (DBMS)
Question #2
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Data that has been processed, organized, structured, or presented in a given context to make it useful is known as what?
Correct Answer: Option B
Explanation:
Information is data that has been processed, structured, or organized in a meaningful way to provide context and utility to the user.
Information is data that has been processed, structured, or organized in a meaningful way to provide context and utility to the user.
This question belongs to:
Computer
Database Management System (DBMS)
Question #3
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What is the alternative mathematical term used for a 'Table' in a relational database model?
Correct Answer: Option D
Explanation:
In relational model terminology introduced by E.F. Codd, a table is formally referred to as a relation.
In relational model terminology introduced by E.F. Codd, a table is formally referred to as a relation.
This question belongs to:
Computer
Database Management System (DBMS)
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