Free MCQsLearn App Download - Introduction to DBMS Trivia Questions and Answers PDF Download eBook p. 221
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"The key that means no two cell CELLAR rows ever contain the same values, is known as", introduction to dbms Multiple Choice Questions (MCQ) with choices unique key, secondary key, primary key, and node key for master degree in computer science. Learn overview of database management questions and answers with free online certification courses for BSc computer science.
Introduction to DBMS Questions and Answers PDF Download eBook
MCQ: 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
C
MCQ: The E-R diagram permits attributes of entity sets and relationship sets that are having some degree of
- Subdomain
- Sublevels
- Substructure
- Subclasses
C
MCQ: Each table in a relational model has multiple columns having
- Unique names
- Reflective names
- Grouped names
- Similar names
A
MCQ: The association between entity sets is referred to as
- Connection
- Participation
- Assemble
- Simulation
B
MCQ: As a result of null values being ignored, the collection of values may
- Exist
- Not exist
- Empty
- Fluctuate
C