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Which of the following is true when mapping a weak entity to a relational schema?

Refer to the relational schema below, answer the following questions: CarRental(RentalID, CarID, CustomerID, RentalDate, ReturnDate, CustomerName, CarModel, RentalCost)   This table has the set of functional dependencies: {CustomerID} –> CustomerName{CarID} –> CarModel{RentalID} –> CarID, CustomerID, RentalDate, ReturnDate{CarID, RentalDate} –> RentalCost What is the primary key of table CarRental?

What is the main purpose of a database management system (DBMS)?

16) The ________ is the base, or floor, of the mouth.

56) Your patient has a buildup of urea in her body. Which of the following statements most likely explains this problem?

60) The process of moving small amounts of food toward the throat and swallowing is called ________.

44) A ________ is an ulcer occurring in the esophagus, stomach, or duodenum caused by the breakdown of the mucosal membrane by the acid in gastric juices.

31) Internally, most teeth are made up of what mineralized, bonelike substance?

38) The order in which material passes through the large intestine is ________.

49) ________ is characterized by small growths that contain a pedicle or footlike attachment in the mucous membranes of the colon.