Database Systems Entrance Exam MCQs – Mock Test 221

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Introduction to DBMS Quiz – Mock Test 221 PDF Download

MCQ 1101: The key that means no two cell CELLAR rows ever contain the same values, is known as:

Secondary key
Unique key
Primary key
Node key

MCQ 1102: The E-R diagram permits attributes of entity sets and relationship sets that are having some degree of:

Subdomain
Sublevels
Substructure
Subclasses

MCQ 1103: Each table in a relational model has multiple columns having:

Unique names
Reflective names
Grouped names
Similar names

MCQ 1104: The association between entity sets is referred to as:

Connection
Participation
Assemble
Simulation

MCQ 1105: As a result of null values being ignored, the collection of values may:

Exist
Not exist
Empty
Fluctuate

Introduction to DBMS Quiz App & eBook – Database Systems Textbook Tests

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