Database Systems Competitive Exam MCQs – Mock Test 179

Entity Relationship Model Notes Questions with Answers PDF Download – Test 179

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Free Entity Relationship Model Notes App Download (Android & iOS): "A set of entities of the same type that share the same properties, or attributes, is known to be"; MCQ with answers: grouped entities, entity group, sampled entities, and entity set. Learn Database Design and ER Model Questions and Answers, Apple Book to download free chapter to optimize online instruction.

Entity Relationship Model MCQs – Mock Test 179 PDF Download

MCQ 891: A set of entities of the same type that share the same properties, or attributes, is known to be:

Entity group
Grouped entities
Entity set
Sampled entities

MCQ 892: Buffering is done by:

Operating system
Database system
Disk controller
Both A and B

MCQ 893: The generalization in which the same entity can belong to more than one lower-level entity set within a single generalization, is known to be:

Disjointness constraint
Overlapping constraint
Completeness constraint
Concurrency constraint

MCQ 894: The specified role must have been granted to the user, else the set role statement:

Executed
Accepts
Passes
Fails

MCQ 895: A data-loss in a disk block can be in result of:

Head crash
Sector crash
Failure in data-transfer
Both A and C

Database Systems Notes App & eBook – Entity Relationship Model Competitive Exam

Recursive Queries MCQs

Additional Basic Operations MCQs

Database Users and Administrators MCQs

Decomposition using Functional Dependencies MCQs

Relational Databases MCQs

Set Operations MCQs

Constraints in DBMS MCQs

SQL Data Definition MCQs

Open Database Connectivity (ODBC) MCQs

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