When Modifying Data in Existing Columns,which of the Following Is

question 33

Multiple Choice

When modifying data in existing columns,which of the following is correct?​

• A) ​A column must be as wide as the data it already contains.
• B) ​If a NUMBER column already contains data,its precision and scale can be decreased.
• C) ​Changing the default value of a column will change the values of data already in a table.
• D) ​If a NUMBER column is empty,its precision and scale cannot be changed.

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Definitions:

Cash Proceeds

Cash proceeds are the total amount of money received from transactions, which may include sales, financing, or the sale of assets.

Carrying Value

The book value of an asset as reported in the balance sheet, calculated as the original cost minus accumulated depreciation.

Par Value

The face value of a stock or bond as specified by the issuing company, which may differ from its market value.

Retirement

The point in time when an individual stops working in their professional career, often associated with aging and financial planning for the post-work phase of life.