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Question

Which of the following modifications may not succeed?

a.

Changing a column data type from char to date

b.

Changing a column data type from numeric to char

c.

Both of the above actions should succeed.

d.

Neither of the above actions will succeed.

Posted under DBMS

Answer: (a).Changing a column data type from char to date

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Q. Which of the following modifications may not succeed?

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