Describe the purpose of an id column


Assignment:

Q1. Why do today’s Internet Web applications and smartphone apps need databases?

Q2. Describe the purpose of a database.

Q3. What is a modification problem? Describe the impact of three possible types of modification problems.

Q4. Define and describe the purpose of an ID column.

Your answer must be, typed, double-spaced, Times New Roman font (size 12), one-inch margins on all sides, APA format.

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