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Rules that are needed to be followed in SET Operators in SQL are –

3. Rules that are needed to be followed in SET Operators in SQL are –

1. All columns must be identical in number and order.
2. There must be compatibility between data types.
3. Both A and B
4. None of the above

Answer: C) Both A and B

Explanation:

Rules that are needed to be followed in SET Operators in SQL are –

1. All columns must be identical in number and order.
2. There must be compatibility between data types.