Database Management Systems Mcqs

Page No. 32

What is the purpose of SMON background process?


aPerforms crash recovery when a failed instance starts up again

✓


bPerforms recovery when a user process fails

✖


cWrites redo log entries to disk

✖


dNone of the mentioned

✖



Which of the following rule below are categories of an index?


aColumn and Functional

✓


bMultiple Column and functional

✖


cColumn, Multiple Column and functional

✖


dNone of the mentioned

✖


View Answer Column and Functional

The ORDER BY clause can only be used in


aSELECT queries

✓


bINSERT queries

✖


cGROUP BY queries

✖


dHAVING queries

✖


View Answer SELECT queries

How to force a log switch?


aBy using ALTER SYSTEM LOG

✖


bBy using ALTER SYSTEM SWITCH LOGFILE

✓


cBy using ALTER SYSTEM SWITCH LOGS

✖


dBy using ALTER SYS LOGFILES

✖



Which of the following object types below cannot be replicated?


aData

✖


bTrigger

✖


cView

✖


dSequence

✓


View Answer Sequence

DML changes are


aInsert

✖


bUpdate

✖


cCreate

✖


dBoth Insert and Update

✓



Which schema object instructs Oracle to connect to a remotely access an object of a database?


aSequence

✖


bRemote link

✖


cDatabase link

✖


dData link

✓


View Answer Data link

What are the portability concerns founded in Seeheim model?


aReplacing the presentation toolkit

✖


bReplacing the application toolkit

✖


cReplacing the dialogue toolkit

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dReplacing the presentation & application toolkit

✓



Which of the following is the main task accomplished by the user?


aCompose a document

✖


bCreate a spread sheet

✖


cSend mail

✖


dAll of the mentioned

✓


View Answer All of the mentioned

Which among the following are the functions that any system with a user interface must provide?


aPresentation

✓


bDialogue

✖


cAll of the mentioned

✖


dNone of the mentioned

✖


View Answer Presentation

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