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Tuesday, July 15, 2014

Netezza Vs Oracle Function Comparision

by Unknown  |  in DB at  3:04 AM




Generic Function
Netezza Oracle
First #N/A Min(#0) Keep (dense_rank First order by #1)
GeoMean EXP(AVG(LN(#0))) EXP(AVG(LN(#0)))
Greatest #N/A GREATEST(#0#<, #*#>)
Last #N/A Max(#0) Keep (dense_rank Last order by #1)
Product (CASE WHEN SUM(CASE WHEN #0=0 THEN 1 ELSE 0 END) > 0 THEN 0 ELSE POW(-1,SUM(CASE WHEN #0<0 THEN 1 ELSE 0 END))*EXP(SUM(LN(ABS(CASE WHEN #0<>0 THEN #0 ELSE NULL END)))) END) (CASE WHEN SUM(CASE WHEN #0=0 THEN 1 ELSE 0 END) > 0 THEN 0 ELSE POWER(-1,SUM(CASE WHEN #0<0 THEN 1 ELSE 0 END))*EXP(SUM(LN(ABS(CASE WHEN #0<>0 THEN #0 ELSE NULL END)))) END)
Stdev STDDEV(#0#< #*#>) STDDEV(#0#< #*#>)
StdevP STDDEV_POP(#0#< #*#>)  STDDEV_POP(#0#< #*#>) 
Var VARIANCE(#0#< #*#>)  VARIANCE(#0#< #*#>) 
VarP VAR_POP(#0#< #*#>)  VAR_POP(#0#< #*#>) 
CurrentDate CURRENT_DATE CURRENT_DATE
CurrentDateTime NOW() CURRENT_TIMESTAMP
CurrentTime CURRENT_TIME CURRENT_TIMESTAMP
DayOfMonth EXTRACT(DAY FROM #0) TO_NUMBER(TO_CHAR(#0, 'DD'))
DayOfWeek TO_NUMBER(TO_CHAR(#0, 'D'),'9') TO_NUMBER(TO_CHAR(#0, 'D'))
DayOfYear EXTRACT(DOY FROM #0) TO_NUMBER(TO_CHAR(#0, 'DDD'))
Hour EXTRACT(HOUR FROM #0) TO_NUMBER(TO_CHAR(#0, 'HH'))
MilliSecond EXTRACT(MILLISECOND FROM #0) 0
Minute EXTRACT(MINUTE FROM #0) TO_NUMBER(TO_CHAR(#0, 'MI'))
Month EXTRACT(MONTH FROM #0) TO_NUMBER(TO_CHAR(#0, 'MM'))
Quarter TO_NUMBER(TO_CHAR(#0, 'Q'),'9') TO_NUMBER(TO_CHAR(#0, 'Q'))
Second EXTRACT(SECOND FROM #0) TO_NUMBER(TO_CHAR(#0, 'SS'))
Week TO_NUMBER(TO_CHAR(#0, 'WW') ,'99') TO_NUMBER(TO_CHAR(#0, 'WW'))
Year EXTRACT(YEAR FROM #0)  TO_NUMBER(TO_CHAR(#0, 'YYYY'))
Banding Case when (#0=#2 and #2=#1+#3*floor((#2-#1)/#3) ) then floor(1.0*(#0-#1)/#3) when (#0 between #1 and #2) then floor(1.0*(#0-#1)/#3) +1 else 0 end Case when (#0=#2 and #2=#1+#3*floor((#2- #1)/#3) ) then floor(1.0*(#0- #1)/#3) when (#0 between #1 and #2) then floor(1.0*(#0- #1)/#3) +1 else 0 end
BandingC Case when (#1=#2 and #0=#1) then #3 when (#0=#2) then #3 when (#0 between #1 and #2) then floor(1.0*(#3*(#0-#1)/(#2-#1)+1)) else 0 end Decode(sign(#0-#1)+sign(#0-#2), 1, #3, 0, decode(#1, #2, 1, floor(1.0*(#0-#1)/(#2-#1)*#3+1)), -1, 1, 0)
Abs ABS(#0) ABS(#0)
Acos ACOS(#0) ACOS(#0)
Acosh LN(#0+SQRT(#0-1)*SQRT(#0+1)) LN(#0+SQRT(#0-1)*SQRT(#0+1))
Asin ASIN(#0) ASIN(#0)
Asinh LN(#0+SQRT(POW(#0, 2)+1)) LN(#0+SQRT(POWER(#0,2)+1))
Atan ATAN(#0) ATAN(#0)
Atan2 ATAN2(#0, #1) ATAN2(#0, #1)
Atanh ((LN(1+#0)-LN(1-#0))/2) ((LN(1+#0)-LN(1-#0))/2)
Ceiling CEIL(#0) CEIL(#0)
Cos COS(#0) COS(#0)
Cosh ((EXP(#0)+EXP(#0*(-1)))/2) COSH(#0)
Degrees DEGREES(#0) (#0*180/(ASIN(1)*2))
Exp EXP(#0) EXP(#0)
Factorial #N/A #N/A
Floor FLOOR(#0) FLOOR(#0)
Int TRUNC(#0, 0) TRUNC(#0, 0)
Ln LN(#0) LN(#0)
Log NUMERIC_LOG(#1, #0)"/> LOG(#1, #0)/>
Log10 LOG(#0) LOG(10, #0)
Mod MOD(#0, #1) MOD(#0, #1)
Power POW(#0, #1) POWER(#0, #1)
Quotient TRUNC(#0/#1, 0) TRUNC(#0/#1, 0)
Radians RADIANS(#0) (#0*ASIN(1)*2/180)
Randbetween ((#1-#0)*RANDOM()+#0) #N/A
Round ROUND(#0) ROUND(#0)
Round2 ROUND(#0, #1) ROUND(#0, #1)
Sin SIN(#0) SIN(#0)
Sinh ((EXP(#0) - EXP(#0*(-1)))/2) SINH(#0)
Sqrt SQRT(#0) SQRT(#0)
Tan TAN(#0) TAN(#0)
Tanh ((EXP(#0)-EXP(#0*(-1)))/(EXP(#0)+EXP(#0*(-1)))) TANH(#0)
Trunc TRUNC(#0, 0) TRUNC(#0)
IsNotNull #N/A #N/A
IsNull #N/A #N/A
NullToZero COALESCE(#0, 0) NVL(#0, 0)
ZeroToNull NULLIF(#0, 0) (CASE WHEN #0=0 THEN NULL ELSE #0 END)
FirstInRange first_value(#0) over(#1) first_value(#0) over(#1)
LastInRange last_value(#0) over(#1) last_value(#0) over(#1)
MovingAvg avg(#0) over(#1) avg(#0) over(#1)
MovingCount count(#0) over(#1) count(#0) over(#1)
MovingMax max(#0) over(#1) max(#0) over(#1)
MovingMin min(#0) over(#1) min(#0) over(#1)
MovingStdev stddev(#0) over(#1) stddev(#0) over(#1)
MovingStdevP STDDEV_POP(#0) OVER(#1) STDDEV_POP(#0) OVER(#1)
MovingSum sum(#0) over(#1) sum(#0) over(#1)
RunningAvg avg(#0) over(#1) avg(#0) over(#1)
RunningCount count(#0) over(#1) count(#0) over(#1)
RunningMax max(#0) over(#1) max(#0) over(#1)
RunningMin min(#0) over(#1) min(#0) over(#1)
RunningStdev stddev(#0) over(#1) stddev(#0) over(#1)
RunningStdevP STDDEV_POP(#0) OVER(#1) STDDEV_POP(#0) OVER(#1)
RunningSum sum(#0) over(#1) sum(#0) over(#1)
Rank #0#,#<partition by#>#<#, #*#>#|rank () over(#1#2#<, #*#> order by #0) #0#,#<partition by#>#<#, #*#>#|rank () over(#1#2#<, #*#> order by #0 nulls last)
Correlation (((1/SUM(#0-#0+#1-#1+1))*(SUM(#0*#1)-(AVG(#0)*SUM(#1))-(SUM(#0)*AVG(#1))+(AVG(#0)*AVG(#1)*SUM(#0-#0+#1-#1+1))))/(SQRT(SUM(#0*#0)/SUM(#0-#0+1)-((SUM(#0)/SUM(#0-#0+1))*(SUM(#0)/SUM(#0-#0+1))))*SQRT(SUM(#1*#1)/SUM(#1-#1+1)-((SUM(#1)/SUM(#1-#1+1))*(SUM(#1)/SUM(#1-#1+1)))))) CORR(#0, #1)
Covariance ((1/SUM(#0-#0+#1-#1+1))*(SUM(#0*#1)-(AVG(#0)*SUM(#1))-(SUM(#0)*AVG(#1))+(AVG(#0)*AVG(#1)*SUM(#0-#0+#1-#1+1)))) COVAR_POP(#0, #1)
Fisher (LN((1+#0)/(1-#0))/2) (LN((1+#0)/(1-#0))/2)
Intercept (AVG(#0)-((((SUM(#1-#1+#0-#0+1)*SUM(#1*#0))-(SUM(#1)*SUM(#0)))/((SUM(#1-#1+#0-#0+1)*SUM(#1*#1))-(SUM(#1)*SUM(#1))))*AVG(#1))) REGR_INTERCEPT(#0, #1)
InverseFisher ((EXP(2*#0)-1)/(EXP(2*#0)+1)) ((EXP(2*#0)-1)/(EXP(2*#0)+1))
Kurtosis ((((SUM(#0-#0+1)*(SUM(#0-#0+1)+1))/((SUM(#0-#0+1)-1)*(SUM(#0-#0+1)-2)*(SUM(#0-#0+1)-3)))*((SUM(POW(#0,4)))-(4*SUM(POW(#0,3))*AVG(#0))+(6*SUM(POW(#0,2))*POW(AVG(#0),2))-(4*SUM(#0)*POW(AVG(#0),3))+(SUM(#0-#0+1)*POW(AVG(#0),4)))/(POW(STDDEV(#0),4)))-((3*(SUM(#0-#0+1)-1)*(SUM(#0-#0+1)-1))/((SUM(#0-#0+1)-2)*(SUM(#0-#0+1)-3)))) ((((SUM(#0-#0+1)*(SUM(#0-#0+1)+1))/((SUM(#0-#0+1)-1)*(SUM(#0-#0+1)-2)*(SUM(#0-#0+1)-3)))*((SUM(POWER(#0,4)))-(4*SUM(POWER(#0,3))*AVG(#0))+(6*SUM(POWER(#0,2))*POWER(AVG(#0),2))-(4*SUM(#0)*POWER(AVG(#0),3))+(SUM(#0-#0+1)*POWER(AVG(#0),4)))/(POWER(STDDEV(#0),4)))-((3*(SUM(#0-#0+1)-1)*(SUM(#0-#0+1)-1))/((SUM(#0-#0+1)-2)*(SUM(#0-#0+1)-3))))
Pearson (((SUM(#0-#0+#1-#1+1)*SUM(#0*#1))-(SUM(#0)*SUM(#1)))/SQRT(((SUM(#0-#0+#1-#1+1)*SUM(#0*#0))-(SUM(#0)*SUM(#0)))*((SUM(#0-#0+#1-#1+1)*SUM(#1*#1))-(SUM(#1)*SUM(#1))))) (((SUM(#0-#0+#1-#1+1)*SUM(#0*#1))-(SUM(#0)*SUM(#1)))/SQRT(((SUM(#0-#0+#1-#1+1)*SUM(#0*#0))-(SUM(#0)*SUM(#0)))*((SUM(#0-#0+#1-#1+1)*SUM(#1*#1))-(SUM(#1)*SUM(#1)))))
RSquare POW((((SUM(#0-#0+#1-#1+1)*SUM(#0*#1))-(SUM(#0)*SUM(#1)))/SQRT(((SUM(#0-#0+#1-#1+1)*SUM(#0*#0))-(SUM(#0)*SUM(#0)))*((SUM(#0-#0+#1-#1+1)*SUM(#1*#1))-(SUM(#1)*SUM(#1))))),2) REGR_R2(#0, #1)
Skew ((SUM(#0-#0+1)/((SUM(#0-#0+1)-1)*(SUM(#0-#0+1)-2)))*((SUM(POW(#0,3)))+(3*SUM(#0)*POW(AVG(#0),2))-(3*SUM(POW(#0,2))*AVG(#0))-(SUM(#0-#0+1)*POW(AVG(#0),3)))/(POW((CASE WHEN SUM(#0-#0+1)=1 THEN 0 ELSE SQRT((SUM(#0*#0)-((SUM(#0)*SUM(#0))/(SUM(#0-#0+1))))/(SUM(#0-#0+1)-1)) END),3))) ((SUM(#0-#0+1)/((SUM(#0-#0+1)-1)*(SUM(#0-#0+1)-2)))*((SUM(POWER(#0,3)))+(3*SUM(#0)*POWER(AVG(#0),2))-(3*SUM(POWER(#0,2))*AVG(#0))-(SUM(#0-#0+1)*POWER(AVG(#0),3)))/(POWER(STDDEV(#0),3)))
Slope (((SUM(#1-#1+#0-#0+1)*SUM(#1*#0))-(SUM(#1)*SUM(#0)))/((SUM(#1-#1+#0-#0+1)*SUM(#1*#1))-(SUM(#1)*SUM(#1)))) REGR_SLOPE(#0, #1)
Standardize ((#0-#1)/#2) ((#0-#1)/#2)
SteYX SQRT((1/(SUM(#1-#1+#0-#0+1)*(SUM(#1-#1+#0-#0+1)-2)))*((SUM(#1-#1+#0-#0+1)*SUM(#0*#0))-(SUM(#0)*SUM(#0))-((((SUM(#1-#1+#0-#0+1)*SUM(#1*#0))-(SUM(#1)*SUM(#0)))*((SUM(#1-#1+#0-#0+1)*SUM(#1*#0))-(SUM(#1)*SUM(#0))))/((SUM(#1-#1+#0-#0+1)*SUM(#1*#1))-(SUM(#1)*SUM(#1)))))) SQRT((1/(SUM(#1-#1+#0-#0+1)*(SUM(#1-#1+#0-#0+1)-2)))*((SUM(#1-#1+#0-#0+1)*SUM(#0*#0))-(SUM(#0)*SUM(#0))-((((SUM(#1-#1+#0-#0+1)*SUM(#1*#0))-(SUM(#1)*SUM(#0)))*((SUM(#1-#1+#0-#0+1)*SUM(#1*#0))-(SUM(#1)*SUM(#0))))/((SUM(#1-#1+#0-#0+1)*SUM(#1*#1))-(SUM(#1)*SUM(#1))))))
Concat (#0#< || #*#>) (#0#< || #*#>)
ConcatBlank (#0#< || ' ' || #*#>) (#0#< || ' ' || #*#>)
InitCap INITCAP(#0) INITCAP(#0)
LeftStr SUBSTR(#0, 1, #1) SUBSTR(#0, 1, #1)
Length LENGTH(#0) LENGTH(#0)
Lower LOWER(#0) LOWER(#0)
LTrim LTRIM(#0) LTRIM(#0)
Position POSITION(#0 IN #1) INSTR(#0, #1)
RightStr SUBSTR(#0, (LENGTH(#0) - #1 + 1)) SUBSTR(#0, (LENGTH(#0) - #1 + 1))
RTrim RTRIM(#0) RTRIM(#0)
SubStr SUBSTRING(#0, #1, #2) SUBSTR(#0, #1, #2)
Trim TRIM(BOTH ' ' FROM #0) TRIM(#0)
Upper UPPER(#0) #N/A
Least #N/A LEAST(#0#<, #*#>)    

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