RDBMS
RDBMS Query Processing Quiz
Test your knowledge on relational database management systems with our engaging RDBMS Query Processing quiz! This quiz is designed to help you understand the fundamental concepts and operations involved in querying databases.
- 10 multiple choice questions
- Assess your expertise in query processing steps
- Learn about relational algebra and selection operations
Which of the following are steps in query processing?
A) Parsing and translation
B) Optimization
C) Evaluation
D) All of the mentioned
A relational algebra operation annotated with instructions on how to evaluate it is called _______
A) Evaluation algebra
B) Evaluation plan
C) Evaluation primitive
D) Evaluation engine
A sequence of primitive operations that can be used to evaluate a query are called as __________
A) Query evaluation algebra
B) Query evaluation plan
C) Query evaluation primitive
D) Query evaluation engine
The lowest level operator to access data in query processing is _______
A) File scan
B) File manipulation
C) File handling
D) File organization
Search algorithms that use an index are referred to as _________
A) Index scans
B) Search scans
C) Primary scans
D) Equality scans
Sorting of relations that do not fit in memory is called as _______
A) Internal sorting
B) External sorting
C) Overflow sorting
D) Overload sorting
A selection of the form satisfying the intersection of all records satisfying individual simple conditions is
A) Conjunctive selection
B) Disjunctive selection
C) Negation
D) None of the mentioned
A selection of the form satisfying the union of all records satisfying individual simple conditions is
A) Conjunctive selection
B) Disjunctive selection
C) Negation
D) None of the mentioned
A selection of the form giving all the records not satisfying simple individual conditions is ______
A) Conjunctive selection
B) Disjunctive selection
C) Negation
D) None of the mentioned
Which of the following can be implemented?
A) Conjunctive selection using one index
B) Conjunctive selection using composite index
C) Conjunctive selection by intersection of identifier
D) All of the mentioned
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