Database Systems MCQs - Chapter 19
RDBMS Interview Questions and Answers Multiple Choice Questions (MCQs) PDF Download - 1
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The RDBMS Interview Questions and Answers Multiple Choice Questions (MCQs) with Answers PDF (RDBMS Interview Questions and Answers MCQs PDF e-Book) download Ch. 19-1 to study Database Systems Course. Practice Relational Operations MCQs, RDBMS Interview Questions and Answers trivia questions and answers PDF for free online classes. The RDBMS Interview Questions and Answers MCQs App Download: Free learning app for relational query languages career test for online software engineering certification.
The MCQ: The operation that performs a set union of two similarly structured tables, is known as; "RDBMS Interview Questions and Answers" App Download (Free) with answers: Join operation; Union operation; Cartesian Product operation; Intersection operation; for free online classes. Solve SQL Data Definition Quiz Questions, download Google eBook (Free Sample) for best online schools for computer science.
RDBMS Interview Questions and Answers MCQs with Answers PDF Download: MCQ Quiz 1
The operation that performs a set union of two similarly structured tables, is known as
- Union operation
- Join operation
- Cartesian Product operation
- Intersection operation
The relational algebra operation that return rows of the input relation that satisfy the predicate, is known as
- Projection
- Selection
- Natural join
- Union operation
Algebraic operation that outputs specified attributes from all rows of the input relation, is said to be
- Natural join
- Union operation
- Projection
- Selection
The relational operations have the nice and desired property that their result is always
- Pair of relations
- Single relations
- Sequence of relations
- No relations
The query languages are terse and formal, lacking the
- Syntactic sugar
- Commercialization
- Fundamental techniques
- Data extraction
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Database & MySQL MCQ with Answers
- Type data abstraction which allows conceptual representation of data in database management system is considered as
- DIVISION operation can be applied to two relations A and B such as R(A) ÷ R(B) where as
- In categories of data modeling, low level data models are also called
- Association between aggregate and primitive objects is classified as
- Key which specifies that two different tuples cannot have same value is classified as
RDBMS Interview Questions and Answers MCQ Book Questions
- Solution to improving reliability is to introduce
- It is easy to understand how tables may be stored in
- To represent data in database, and need of efficiency has led designers to use
- In case of power outage or other system crash, when system restarts, action known to be occur is of
- Duplicate tuples must be eliminated, when query uses clause