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  • Database training

1.3.12. Outer joins

  • Outer joins control what's discarded
    • Keep unmatched tuples in either
      • Left, right, or both relations
      • Left, right of full outer join correspondingly

    Relational demonstration of Outer joins

    ‹ 1.3.11. Join types (inner and outer)up1.4. ER diagrams ›
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