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


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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