dbms -1

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[1] The basic goal of database ……………….. Is to ensure that current transactions operate correctly without any loss of database consistency. Storage Management Transaction Management Concurrency Control Language Interface [2] Which of the following are characteristics of a database management system? Allows the sharing of data between multiple users Stores the description of the data as well as the data

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Page 1: dbms -1

[1] The basic goal of database ……………….. Is to ensure that current transactions operate correctly without any loss of database consistency.

Storage ManagementTransaction ManagementConcurrency ControlLanguage Interface

 

[2] Which of the following are characteristics of a database management system?

Allows the sharing of data between multiple usersStores the description of the data as well as the dataSupports multiple views of the data

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All of the above   

[3] Components of Database System HardwareSoftwareDataAll of the above

 

[4] ……… enables us to represent the real world entities in a form that can be processed by the computer.

Database AdministratorDatabase DesignDatabase ManagementAll of the above

 

[5] ………….. Is an illustration of the entire database content Physical Level

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Conceptual LevelExternal Levelnone of the above

 

[5] ………….. Is an illustration of the entire databse content. Physical LevelConceptual LevelExternal Levelnone of the above

[6] ………...is a sequence of operations that transforms the database from one state to the other.

Transposition

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Transaction

System operation

All of the above 

[7] …………. Is the ability to change the conceptual schema without altering the external scheme or application programs Physical data Independence

Logical Data Independence

Both 1&2

None of the above 

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[8] Data about data is called as…………

MetaData InformationSystem DataData

[9] …………. Is the ability to change the internal schema without altering the conceptual schemes

Physical data IndependenceLogical Data IndependenceBoth 1&2None of the above

 

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[10] Data that is processed and is relevant

DatabaseInformationDataKnowledge

 

[11] ……… is a program that provides the interface between the data stored in the database and the application programs and queries given to the system.

Security ManagerStorage ManagerTransaction ManagerNone of the above

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[12] The Language that enables the user to access or manipulate data is called.

Data Definition LanguageData Manipulation LanguageData Description LanguageSystem Language

 

[13] Which of the following represents the collection of interrelated data and a set of programs to access those data ?

DatabaseDatabase Management systemRecordsNone of the above

 

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[14] The information stored in the catalog file is called.

DataSystem DataMetaDataCatalog Data

 

[15] ……...implies the correctness and accuracy of data stored in the database

IntegrityRedundancyExtensibilityNone of the above

 

[16] ……………….. Is a collection of conceptual tools for describing

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data, their relationships, semantics and consistency constraints?

Data ModelDataData ConsistencyNone of the above

[17] ………… implies that information should represent the real world system correctly.

CorrectnessRealistic RepresentationCompletenessConsistency

[18] Collection of interrelated data and a set of programs to access

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those data is.

DatabaseDatabase Management SystemRecordsNone of the above

[19] The level of data abstraction which describes how the data is actually stored is ……..

Conceptual Level

Physical Level

File Level

None of the above

 

[20 ….. demarcates the physical aspects

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] of data storage from the logical aspects of data representation

SchemaDataRelationshipCatalog

 

[21] DBMS is a general purpose software system that facilitates the process of …..

Defining database

Constructing database

Manipulating database

All of the above

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[22] ………. Is responsible for protecting the data against unauthorized access.

Concurrency Control

Storage Management

Transaction Management

Security Management

       

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[23] conceals the details of physical storage structures and stresses on describing data

Internal Schema

Conceptual Schema

External Schema

All of the above

 

[24] …………. Is the individual user level which presents diverse views of the application to the different users.

Physical Level

Logical

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LevelExternal Level

All of the above

[25] depicts how data is stored physically

Internal SchemaConceptual SchemaExternal SchemaAll of the above

 

[26] …..is useful to the users as it defines views of the database for individual users

Internal Schema

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Conceptual SchemaExternal SchemaAll of the above

 

[27] Mapping of association between data elements is called.

RelationshipConstraintsSchemaIntegrity

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[28] ………….. Implies that the representation of the entity must be realistic.

CorrectnessRealistic RepresentationCompletenessConsistency

 

[29] ……….. Aims at identifying the major entities in an application and modeling them in a target database schema model.

Information ModellingData ModellingDatabase Management

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None of the above

[30] ……….. Implies that the definition of an entity must cover all possible values that it may take.

CorrectnessRealistic RepresentationCompletenessConsistency

     

[13] Data about data is called as…………

MetaData InformationSystem DataData

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[21] …………...is a system database that contains MetaData

FileCatalogDisksTapes

[28] ……….. Implies that the defined entity should be complete i.e. no attribute should be missing.

CorrectnessRealistic RepresentationCompletenessConsistency