MACROMEDIA COLDFUSION 4.5-CFML LANGUAGE Manual do Utilizador descarregar pdf (Página 36)

36 CHAPTER 30 Extending ColdFusion with CFX

Listing 30.7 (continued)

--->

<!---

Retrieve film information from database

--->

<cfquery datasource=”ows”

name=”GetFilms”>

SELECT * FROM Films

</cfquery>

<!---

Compute the standard deviation of the ratings for each film

--->

<CFX_ComputeStandardDeviation query=”GetFilms”

column=”RatingID”

variable=”FilmsStdDev”>

<!---

Retrieve merchandise information from database

--->

<cfquery datasource=”ows”

name=”GetMerch”>

SELECT * FROM Merchandise

</cfquery>

<!---

Insert empty row to prove tag is smart enough to skip NULL values

--->

<!---

Compute the standard deviation of the merchandise prices

--->

<CFX_ComputeStandardDeviation query=”GetMerch”

column=”MerchPrice”

variable=”MerchStdDev”>

<html>

<head>

<title>Orange Whip Statistics</title>

</head>

<body>

<h2>Orange Whip Statistics</h2>

<!---

Display the standard deviation

--->

<p>

Standard deviation of the films’ ratings:

<strong>#NumberFormat(FilmsStdDev, “0.00”)#</strong>

<br>

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MACROMEDIA COLDFUSION 4.5-CFML LANGUAGE Manual do Utilizador Página 36

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