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This might help:
σ condition(relation): condition is a boolean expression in which rows are selected for which the condition is true
Source: http://jcsites.juniata.edu/faculty/rhodes/dbms/relalg.htm
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Basics of Sets and Relations #5
You are viewing a single comment's thread. Return to all comments →
This might help:
σ condition(relation): condition is a boolean expression in which rows are selected for which the condition is true
Source: http://jcsites.juniata.edu/faculty/rhodes/dbms/relalg.htm