The StringBuilder methods _____________ not only change the contents of a string buffer, but also returns a reference to the string buffer.

To create a chart in Excel, select the ___________ for the chart.

a. category labels b. range c. location d. type

A ________ can be set on the fields that make each record ________

A) Primary Key, unique B) Tertiary Key, unique C) Primary Key, the same D) Tertiary Key, the same