Question 1 The following entity relationship diagram shows the relationship between order and part. However, the cardinalities have been mentioned incorrectly in that diagram and it does not show the fact that each order must contain atleast one part and a part may appear in more than one order.
Question 12 The following tour table contains sample data related to tours and tour guide. Each tour is accompanied by one guide only. Tour ID is the pimary key of Tour table.
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