In a Rollforward, the DBMS Uses the Log to Undo

question 117

True/False

In a rollforward, the DBMS uses the log to undo any changes made to the database during a certain period.

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Definitions:

Variable Cost-Plus

A pricing strategy that sets the selling price based on the variable costs of producing an item plus a fixed mark-up.

Total Cost-Plus

A pricing strategy where the selling price of a product is determined by adding a profit margin to the total cost of manufacturing or producing the product.

Mark-Up Percentage

A measure of how much the cost of a product is increased to arrive at its selling price, typically to cover overheads and profit.

Mark-Up Percentage

The percentage added to the cost price of products to determine the selling price, intended to cover overhead and profit.