Database Systems Competitive Exam MCQs – Mock Test 155

Data Storage and Querying Notes Questions with Answers PDF Download – Test 155

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Data Storage and Querying MCQs – Mock Test 155 PDF Download

MCQ 771: The storage manager is basically responsible for:

Storing data
Retrieving data
Updating data
All of the Above

MCQ 772: The 2000s period saw a significant growth in use of:

Relational database systems
Open-source database systems
Semi-structured database systems
Entity-relationship database systems

MCQ 773: DML stands for:

Data modelling language
Data Modification language
Data Monitoring Language
Data Manipulation Language

MCQ 774: In an E-R diagram, based on UML, the entity sets are represented by a:

Rectangle Box
Square Box
Circle
Triangular box

MCQ 775: In contemporary databases the top level of the hierarchy includes:

Catalogs
Schemas
Both A and B
Environments

Database Systems Notes App & eBook – Data Storage and Querying Competitive Exam

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