Relational Data Model and Database Constraints MCQ Questions and Answers PDF Download eBook
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"When the primary key is null of the new tuple then the constraint violated is" Multiple Choice Questions (MCQ) on relational data model and database constraints with choices primary integrity constraint, null integrity constraint, secondary integrity constraint, and entity integrity constraint for BSc computer science. Practice database constraints and relational schemas quiz questions for jobs' assessment test and online courses for software engineering online courses.
MCQs on Relational Data Model & Database Constraints Quiz PDF Download eBook
MCQ: When the primary key is null of the new tuple then the constraint violated is
- null integrity constraint
- primary integrity constraint
- secondary integrity constraint
- entity integrity constraint
D
MCQ: In formal relational model, the set of indivisible values is called
- range
- domain
- relation
- tuple
B
MCQ: In relational model terminology, the table is considered as
- range
- domain
- relation
- tuple
C
MCQ: The key which specifies that two different tuples cannot have the same value is classified as
- super key
- simple key
- parallel key
- conceptual key
A
MCQ: The format or data type must be specified for
- table ender
- entity domain
- range
- domain
D