Difference between revisions of "Introduction to Databases with Stanford University : Relational Algebra Exercises"
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(Created page with " 1. Find all pizzas eaten by at least one female over the age of 20. <pre> \project_{pizza} ( \select_{gender='female' and age > 20} Person \join Eats) </pre>") |
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1. Find all pizzas eaten by at least one female over the age of 20. | 1. Find all pizzas eaten by at least one female over the age of 20. | ||
Revision as of 17:23, 16 November 2011
Source: http://db-class.org
1. Find all pizzas eaten by at least one female over the age of 20.
\project_{pizza} (
\select_{gender='female' and age > 20} Person
\join Eats)
