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Relational Algrebra in Databases Help?

Anyone know an easy way to remember the basics of relational algebra for databases, i.e. join, project...etc?? I need to learn it for my university databases class and i cannot work it all out :(

Public Comments

  1. Ur question is great man..... I don't understand a bit.....but question is great.
  2. The best way is to use the mnemonic device "All Drains Lead To the Sea." I aced MY Relational Algebra in Databases test that way. Wait! No, that's how I lost my homework... Humphhh...
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