To Add a NOT NULL Column to a Table,we ________

question 53

Multiple Choice

To add a NOT NULL column to a table,we ________.

• A)use the REVISE TABLE command
• B)use the ALTER TABLE command
• C)use the MODIFY TABLE command
• D)create a new NULL column,insert data values into every row,and change the NULL constraint to NOT NULL

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Definitions:

Actual Direct Labor Rate

The actual amount paid per hour to workers who are directly involved in the production of goods or services.

Labor Rate Variance

The difference between the actual cost of direct labor and the standard cost, indicating how well the company is managing its labor costs.

Direct Labor Standards

The expected amount of time and wage rate for workers to complete a unit of production.

Labor Efficiency Variance

A measure of the difference between the actual hours worked and the standard hours expected to produce a certain level of output.