3. The cardinality of relation R can be: one-to-one, one-to-many, many-to-one, and many-to- many. Given A= {1, 3, 5}, B = {1, 3, 5, 7}. a. What is the cardinality of R = {<1,3>,<3,7>,<5,5>}?. b. What is the cardinality of R = {<1,1>,<1,5>,<3,5>,<3,7>}?

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ISBN:9780470458365
Author:Erwin Kreyszig
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3. The cardinality of relation R can be: one-to-one, one-to-many, many-to-one, and many-to-
many. Given A= {1, 3, 5}, B = {1, 3, 5, 7}.
a. What is the cardinality of R = {<1,3>,<3,7>,<5,5>}?.
b. What is the cardinality of R = {<1,1>,<1,5>,<3,5>,<3,7>}?
Transcribed Image Text:3. The cardinality of relation R can be: one-to-one, one-to-many, many-to-one, and many-to- many. Given A= {1, 3, 5}, B = {1, 3, 5, 7}. a. What is the cardinality of R = {<1,3>,<3,7>,<5,5>}?. b. What is the cardinality of R = {<1,1>,<1,5>,<3,5>,<3,7>}?
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