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DBMS questions 1. Describe the appropriate type definition for CIRCLE (circle) with scala type, and describe the selector and THE_operator appropriate for these types. 2.

DBMS questions

1. Describe the appropriate type definition for CIRCLE (circle) with scala type, and describe the selector and THE_operator appropriate for these types.

2. Define a set of read-only operations to calculate the diameter, circumstance, and area for a given circle.

3. Define an update operation that doubles the radius of a given circle.

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