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Relational algebra:A database records Invent Youself/tutorialoutletdotcom

FOR MORE CLASSES VISIT www.tutorialoutlet.com Relational algebra ( A database records information about athletes competing at the Olympics. An athlete competes for a particular country in one or more events. Events take place at a scheduled day and time in a particular venue. The result (rank) is recorded for all athletes in the final of the event. The medal (gold, silver or bronze) is also recorded for the medal winners in the event.

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