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Anthony Petrole commented on the post, Weekly Question #10: Complete by April 17, 2017, on the site 7 years, 4 months ago
Snapchat is a data-driven service most people use daily. If I were to collect the data then some columns I would include would be the type of message, whether it was a picture, video, or chat message, who sent the message, who received the message, and the time and date it was sent, received, and opened. Additional rows would be an individual’s…[Read more]
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Anthony Petrole commented on the post, Weekly Question #6: Complete by March 20, 2017, on the site 7 years, 6 months ago
I have not been in the position to make one of those mistakes so I think the most important one to avoid is Number 3: Start working on the database without doing a full backup first. If there is saved backup then if something goes wrong there is a least a backup you can rely on. That way you do not lost something that you or others have put in…[Read more]
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Anthony Petrole posted a new activity comment 7 years, 6 months ago
I believe the most important principle is to simplify the data. If one does not simplify and the data gets large and bulky, only one thing can happen, mistakes.Think when you’re carrying change, would you rather have one hundred pennies or one dollar bill. When you have the hundred pennies you are bound to lose a few, opposed to holding onto a…[Read more]