Question
What is complex join? difference with foreign key primary key join?
Answers
Complex joins are joins which have following differences from a PK-FK joins
# Complex joins can have conditional mappings like >,<,>=,NOT,AND,etc apart from '=' whereas the PK-FK joins are always '='.
# PK-FK joins are always (1-N), whereas complex joins can have (1 - 0,1) and (0,1 - N) kind of relationships.   Your Comment




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