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Circus : Tourist : Cno C 1 C 2 C 3 City Gaza Nusirat Gaza Tno T 1 T 2 T 3 T 4 TS
Circus : Tourist : Cno C C C City Gaza Nusirat Gaza Tno T T T T TS Name Sami Amal Majed Majed Ali Address Gaza Gaza Nusirat Gaza Rafa Age Visiting : Tno Cno Date T T T T C C C C T C C C C T T T T C Express each of the following queries in the relational algebra queries : Determine Tno and Names of all Tourists who have not visited any Circus at all. List all Tourists who have visited all Circus in Gaza. List Tno and Names of Tourists who live in Nusirat and visited the Circus in Nusirat yesterday.
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