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An online retailer stores information about the items purchased made by its customers. Each day the following information is summarized and stored in a publicly available database. • The date each item was purchased • The 5-digit product code of each item purchased • The prices in dollars at which the items were purchased • The number of purchases made of each item at each price A sample portion of the database is shown below. Date Product Code Purchase Price Number of purchases 21/05/2017 16342 23.95 7 21/05/2017 18442 23.95 7 21/05/2017 22345 5.88 22 21/05/2017 20964 32.14 10 22/05/2017 16342 24.45 3 22/05/2017 14224 42.99 1 Which of the following CANNOT be determined using only the information in the database? The number of purchases made by an individual customer O The average cost of an individual item purchase on the site. O How many times a certain product was purchased in a given month. O The product code of the most-purchased item on the site in a given year.

An online retailer stores information about the items purchased made by its customers. Each day the following information is summarized and stored in a publicly available database. • The date each item was purchased • The 5-digit product code of each item purchased • The prices in dollars at which the items were purchased • The number of purchases made of each item at each price A sample portion of the database is shown below. Date Product Code Purchase Price Number of purchases 21/05/2017 16342 23.95 7 21/05/2017 18442 23.95 7 21/05/2017 22345 5.88 22 21/05/2017 20964 32.14 10 22/05/2017 16342 24.45 3 22/05/2017 14224 42.99 1 Which of the following CANNOT be determined using only the information in the database? The number of purchases made by an individual customer O The average cost of an individual item purchase on the site. O How many times a certain product was purchased in a given month. O The product code of the most-purchased item on the site in a given year.

Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter7: Introduction To Structured Query Language (sql)
Section: Chapter Questions
Problem 97C: The following tables provide a very small portion of the data that will be kept in the database....
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An online retailer stores information about the items purchased made by its customers. Each day the following information is summarized and stored in a publicly available database. • The date each item was purchased • The 5-digit product code of each item purchased • The prices in dollars at which the items were purchased • The number of purchases made of each item at each price A sample portion of the database is shown below. Date Product Code Purchase Price Number of purchases 21/05/2017 16342 23.95 7 21/05/2017 18442 23.95 7 21/05/2017 22345 5.88 22 21/05/2017 20964 32.14 10 22/05/2017 16342 24.45 22/05/2017 14224 42.99 1 Which of the following CANNOT be determined using only the information in the database? The number of purchases made by an individual customer O The average cost of an individual item purchase on the site. How many times a certain product was purchased in a given month. O The product code of the most-purchased item on the site in a given year.
Transcribed Image Text:An online retailer stores information about the items purchased made by its customers. Each day the following information is summarized and stored in a publicly available database. • The date each item was purchased • The 5-digit product code of each item purchased • The prices in dollars at which the items were purchased • The number of purchases made of each item at each price A sample portion of the database is shown below. Date Product Code Purchase Price Number of purchases 21/05/2017 16342 23.95 7 21/05/2017 18442 23.95 7 21/05/2017 22345 5.88 22 21/05/2017 20964 32.14 10 22/05/2017 16342 24.45 22/05/2017 14224 42.99 1 Which of the following CANNOT be determined using only the information in the database? The number of purchases made by an individual customer O The average cost of an individual item purchase on the site. How many times a certain product was purchased in a given month. O The product code of the most-purchased item on the site in a given year.
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