Relational Calculus

  • Elvis C. Foster
  • Shripad Godbole


In relational calculus, we simply specify what data is required, not how to obtain the required relation(s). Relational algebra, on the other hand, provides a collection of explicit operations in SELECT, JOIN, PROJECT etc., which can be used to tell the system how to derive desired relation(s).


Relational Algebra Universal Quantifier Boolean Expression Query Optimization Standardization Rule 

Copyright information

© Elvis C. Foster and Shripad Godbole 2016

Authors and Affiliations

  • Elvis C. Foster
    • 1
  • Shripad Godbole
    • 2
  1. 1.Associate Professor of Computer ScienceKeene State CollegeNew HampshireUSA
  2. 2.Senior Manager of Database AdministrationMerkle Inc.MarlboroughUSA

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