What Is Complex Join Difference With Foreign Key Primary Key Join

What Is Complex Join Difference With Foreign Key Primary Key Join


  • 2 Jan, 2012

    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

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