A transaction is the complete set of closely related update commands that must all be done, or none of them done, for the database to remain valid

Florie is a compensated surety for a loan by Brenner to McDonald. In which of the following cases would Florie be released entirely from liability as a surety?

A. Brenner reduces the interest rate on the loan. B. When the loan is due, Brenner refuses McDonald's tender of payment and then attempts to collect from Florie. C. Florie agrees to a material change in the debtor's contract that substantially increases Florie's risk. D. Brenner, without Florie's consent, agrees to a modification in McDonald's loan that increases Florie's risk in a nonmaterial way.

A careful analysis of customer behavior leads to a better understanding of what kind of channel structure is necessary to satisfy the different segments

Indicate whether the statement is true or false