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  • Database training

1.3.02. Access across relations

  • Relational model allows multiple relations to exist within one database schema
  • Relations can be accessed individually or together (joins).
  • Referential integrity
    • Relations relating
  • Pulling data out of single relations
    • Select and project
  • Pulling related data out of
    • Multiple relations using Join
‹ 1.3.01. Introductionup1.3.03. Miniworld approximation ›
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