What is complex join?
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Answer / edin
Complex joins are joins which have following diffrences
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.
Complex join:- complex join are used in physical layer in
between two tables where ever that do not involved primary
key and foreign key relationship.
| Is This Answer Correct ? | 19 Yes | 2 No |
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