Database Systems Competitive Exam MCQs – Mock Test 3

DBMS: Selection Operation Notes Questions with Answers PDF Download – Test 3

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DBMS: Selection Operation MCQs – Mock Test 3 PDF Download

MCQ 11: In case of A4 search algorithm, if the equality condition is on a key, the strategy can retrieve:

Single record
Two records
Multiple records
No records

MCQ 12: SQL supports forms of user-defined data types, in the form of:

1 form
2 forms
3 forms
4 forms

MCQ 13: In an E-R diagram, specialization is represented by a:

Hollow arrow-head
Solid arrow-head
Dashed arrow-head
Double arrow-head

MCQ 14: The time for repositioning the arm of a disk is called the:

Transfer time
Access time
Seek time
Latency time

MCQ 15: When an SQL statement is Executed, the SQL standard specifies the start of a:

Commitment
Data flow
Transaction
Data communication

Database Systems Notes App & eBook – DBMS: Selection Operation Competitive Exam

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DBMS: Selection Operation MCQs

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