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Managing Databases with Oracle

Q1:

Which of the following is not true about modifying table columns?

A You can drop a column at any time.

B You can add a column at any time as long as it is a NULL column.

C You can increase the number of characters in character columns or the number of digits in numeric columns

D You cannot increase or decrease the number of decimal places.

ANS:D - You cannot increase or decrease the number of decimal places.

No answer description is available.



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