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Expressive Power of Languages
Next: Modifying the Database
Up: The Domain Relational
Previous: Safety of Expressions
All three of the following are equivalent:
- The relational algebra.
- The tuple relational calculus restricted to safe expressions.
- The domain relational calculus restricted to safe expressions.
Page created and maintained by Osmar R. Zaï ane
Wed Sep 20 15:45:57 PDT 1995