When the DBMS Locks More Rows and Releases None of the Locks

question 6

True/False

When the DBMS locks more rows and releases none of the locks, this is called the contracting phase.

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Definitions:

Explicit Cost

The monetary payment made by a firm to an outsider to obtain a resource.

Accounting Profits

The net income a company has after subtracting all costs and expenses from total revenue, as recognized in financial statements.

Opportunity Cost

The value of the next best alternative that is foregone as a result of making a particular decision.

Accounting Profits

The total revenues of a business minus the explicit costs, essentially the net income on the financial statements.