Database - Managing Databases with Oracle - Discussion

Discussion Forum : Managing Databases with Oracle - General Questions (Q.No. 10)

Managing Databases with Oracle

10.

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

You can drop a column at any time.

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

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

You cannot increase or decrease the number of decimal places.

Answer: Option

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