Question
Consider two relations: R (a subset of A x B) and S (a subset of B x C). The composition of R and S is
Consider two relations: R (a subset of A x B) and S (a subset of B x C). The composition of R and S is calculated as {(c, a) | there is b in B s.t. (a, b) belongs to R and (b, c) belongs to S}. Group of answer choices
True
False
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Database Design Using Entity Relationship Diagrams
Authors: Sikha Saha Bagui, Richard Walsh Earp
3rd Edition
103201718X, 978-1032017181
