Encyclopedia > Relational calculus

  Article Content

Relational calculus

The relational calculus refers to the two calculi, the tuple calculus and the domain calculus, that are part of the relational model for databases and that provide a declarative way to specify database queries. This in contrast to the relational algebra which is also part of the relational model but provides a more procedural way for specifying queries.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Sanskrit language

... traditional order: vowels, stops and nasals (starting in the back if the mouth and moving forward), and finally the liquids[?] and sibilants. (Note: The long vowels are ...

 
 
 
This page was created in 22 ms