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DATABASE SYSTEM CLASS: 1. How do you qualify the name of a field in an SQL query? When is it necessary to do so? 2.

DATABASE SYSTEM CLASS:

1. How do you qualify the name of a field in an SQL query? When is it necessary to do so?

2. Describe the three update commands in SQL.

3. What is a view? How do you define a view? Does the data described in a view definition ever exist in that form? What happens when a user accesses a database through a view?

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