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CREATE TABLE TB
(
A FLOAT,
B FLOAT,
C CHAR(1)
)
INSERT INTO TB
SELECT 1.12345,8.12345,'A' UNION ALL
SELECT 3.12345,7.12345,'A' UNION ALL
SELECT 4.12345,6.12345,'A' UNION ALL
SELECT 5.12345,5.12345,'A' UNION ALL
SELECT 6.12345,4.12345,'A' UNION ALL
SELECT 7.12345,5.12345,'A' UNION ALL
SELECT 8.12345,2.12345,'A'
SELECT SUM(A*B)/7.12345*35.123 FROM TB GROUP BY C
SELECT SUM(A*B) FROM TB GROUP BY C
SELECT 161.8716293175/7.12345*35.123
---------------------------------
(无列名)
797.314748848456
(无列名)
161.7069085125
(无列名)
797.31474884845650621700
sum(m.qty * m.price)*1.0/10398.55000*10702.550