Description of the illustration cncpt017.eps

At the left of this graphic is a rectangle labeled "Parallel Execution Coordinator." It contains the following query: SELECT COUNT(*) FROM employees WHERE phone_number LIKE '650%'. To the right of the box is a stack of four boxes labeled "Parallel Execution Servers." Each Parallel Execution Server points to a rectangle to the right. This stack of four rectangle is labeled "Granules." The granules are inside a dotted box labeled "employees Table."