Database Management Systems Mcqs

Page No. 37

________ is the smallest unit of allocation in an Oracle database.


aDatabase


bInstance


cTablespace


dDatabase Block


View Answer Database Block

__________ is a contiguous group of blocks allocated for use as part of a table, index, and so forth.


aTablespace


bSegment


cExtent


dBlock


View Answer Extent

A ________ is a logical grouping of database objects, usually to facilitate security, performance, or the availability of database objects such as tables and indexes.


aTablespace


bSegments


cExtents


dBlocks


View Answer Tablespace

___________ is the collection of memory structures and Oracle background processes that operates against an Oracle database.


aDatabase


bInstance


cTablespace


dSegment


View Answer Instance

Relational schemas and other metadata about relations are stored in a structure called the ____________


aMetadata


bCatalog


cLog


dData Dictionary


View Answer Data Dictionary

A relational database system needs to maintain data about the relations, such as the schema of the relations. This is called


aMetadata


bCatalog


cLog


dDictionary


View Answer Metadata

The DBMS acts as an interface between what two components of an enterprise-class database system?


aDatabase application and the database


bData and the database


cThe user and the database application


dDatabase application and SQL



A data dictionary is a special file that contains?


aThe names of all fields in all files


bThe data types of all fields in all files


cThe widths of all fields in all files


dAll of the mentioned


View Answer All of the mentioned

The information about data in a database is called _______


aMetadata


bHyper data


cTera data


dNone of the mentioned


View Answer Metadata

Which of these data models is an extension of the relational data model?


aObject-oriented data model


bObject-relational data model


cSemi structured data model


dNone of the mentioned



Goto Page No.

Page 37 of 101

Alphabetical MCQs Categories

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan