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Author Question: Smartphone alerts are used as an unobtrusive way to send a message to the ... (Read 71 times)

PhilipSeeMore

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on: Jul 7, 2018
Smartphone alerts are used as an unobtrusive way to send a message to the user.

Question 2

A composite key is a key that consists of a combination of two or more attributes.


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Ptupou85

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Reply #1 on: Jul 7, 2018
Answer to Question 1



Answer to Question 2



PhilipSeeMore

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Reply 2 on: Jul 7, 2018
Thanks for the timely response, appreciate it

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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