1.DATEADD 2 2.DATEDIFF 4 3.DATENAME 5 4.DATEPART 7 5.DAY 9 6.GETDATE 10 7.GETUTCDATE 11 8.MONTH 11 9.YEAR 12 数学运算函数 13 1.ABS 13 2.ACOS 14 3.ASIN 15 4.ATAN 16 6.CEILING 18 8.COT 19 9.DEGREES 20 10.EXP 21 11.FLOOR 21 12.LOG 22 13.LOG10 23 14.PI 23 15.POWER 24 16.RADIANS 25 17.RAND 27 18.ROUND 28 20.SI