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Learn relational algebra and calculus MCQ: in notation for query graphs, double ovals or circles are used to represent, with choices non-declarative nodes, constant nodes, stable nodes, and declarative nodes for top computer science schools. Practice merit scholarships assessment test, online learning query graphs notations quiz questions for competitive exams in computer science major for online degrees.

MCQ: In notation for query graphs, double ovals or circles are used to represent

1. non-declarative nodes
2. constant nodes
3. stable nodes
4. declarative nodes

B

MCQ: In notation for query graphs, single circles are used to represent

1. relation nodes
2. query nodes
3. truth nodes
4. local nodes

A

MCQ: Representation of relational calculus internal queries is classified as

1. structural graph
2. nodes graph
3. query graph
4. functional graph

C

MCQ: Nodes which represents queries in relations are classified as

1. relation nodes
2. query nodes
3. truth nodes
4. local nodes

A