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Relational Model and Algebra in pdf

Contents

  • Relational data mode, Schema vs. instance
  • Relational algebra, Selection and exemple
  • More on selection, Projection
  • Cross product, A note a column ordering
  • Derived operator: join, Derived operator: natural join
  • Union, Difference, Derived operator: intersection
  • Renaming example, Expression tree notation
  • Summary of core operators, Summary of derived operators
  • An exercise, A trickier exercise
  • Classification of relational operators, Why is “ ” needed for “highest”?
  • Extensions to relational algebra, Why is r.a. a good query language?
  • Relational calculus, Limits of relational algebra

Course, tutorial Summary Relational Model and Algebra

Course material to download for free on Relational Model and Algebra category Database.
This course is intended for a strictly personal use, the file is of format pdf level Beginner , the size of this file is 281.56 KB.

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