Describe the process for dropping primary key c1 and making


a. Show an SQL statement to drop the column C1 from table T2.

b. Describe the process for dropping primary key C1 and making the new primary key C2.

c. Which data type changes are the least risky?

d. Which data type changes are the most risky?

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Basic Computer Science: Describe the process for dropping primary key c1 and making
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