RAND(-1)
CREATE CURSOR crsTimes (start T, end T)
FOR lnCounter = 1 TO 100
INSERT INTO crsTimes (start, end) ;
VALUES (DATETIME() - INT(1000 * RAND( )), DATETIME())
ENDFOR
CALCULATE AVG(End - Start) TO lnAverageSeconds
?lnAverageSeconds
BROWSE
*!* Or
SELECT AVG(End - Start) FROM crsTimes INTO CURSOR crsAvg
BROWSE