Database Systems Practice Test 3

DBMS: Selection Operation Quiz PDF: Questions and Answers - 3

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The Quiz: In case of A4 search algorithm, if the equality condition is on a key, the strategy can retrieve; "DBMS: Selection Operation" App Download (Android & iOS) Free with answers two records, single record, multiple records and no records for online master computer science. Study query processing questions and answers, Apple Book to download free sample for top online computer science programs.

DBMS: Selection Operation Questions and Answers PDF Download: Quiz 3

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

A) Single record

B) Two records

C) Multiple records

D) No records

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

A) 1 form

B) 2 forms

C) 3 forms

D) 4 forms

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

A) Hollow arrow-head

B) Solid arrow-head

C) Dashed arrow-head

D) Double arrow-head

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

A) Transfer time

B) Access time

C) Seek time

D) Latency time

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

A) Commitment

B) Data flow

C) Transaction

D) Data communication

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