Weekly Review 11 commentary

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Unformatted text preview: er to the tables in the image Correct Percent Answered 6 rows and 6 columns 6 rows and 9 columns 5.039% 9 rows and 6 columns 54.845% 9 rows and 9 columns 14.729% Unanswered • 25.194% 0.194% Kai Zhao 5/3/12 8:53 AM Comment [5]: Selecting from two tables without any filters (WHERE conditions) results in the cartesian product. The number of rows is the product of the # of rows of the input tables. Since SELECT * is used, all columns from the two input tables a...
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This document was uploaded on 02/17/2014 for the course CS 105 at University of Illinois, Urbana Champaign.

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