Where to find sql server query cost

Hi Expert,

I run the query from exam 433 book, it said this query cost is 151, where I can find this number? Thanks in advance.

USE AdventureWorks;

        SELECT TOP(1)
        FROM Sales.SalesOrderDetail AS sod1
        WHERE sod1.SalesOrderID = soh.SalesOrderID
        ORDER BY sod1.OrderQty DESC
    ) AS UnitPrice
        SELECT TOP(1)
        FROM Sales.SalesOrderDetail AS sod2
        WHERE sod2.SalesOrderID = soh.SalesOrderID
        ORDER BY sod2.OrderQty DESC
    ) AS OrderQty
FROM Sales.SalesOrderHeader AS soh
WHERE soh.TerritoryID = 4;
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Guy Hengel [angelIII / a3]Billing EngineerCommented:
please see this page to learn about how to start debugging queries in terms of performance:
dshi15Author Commented:
the page you sent is outdated, could you just point out where to click to check cost number?
Guy Hengel [angelIII / a3]Billing EngineerCommented:
sorry, although the sql 2000 basics are still transposable into sql 2005/2008

ok, let's see, here a more update article about using explain plans, which include the cost:

this said, not sure what the book actually means about this "cost being 151 ...

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Microsoft SQL Server 2008

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