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Overview of SSIS

SQL Server Integration Services, the ETL subsystem for SQL Server 2005, is a new paradigm of development for the SQL Server DBA. It is one of the most popular, and also complex, environments that many people work with in SQL Server 2005. Amit Lohia brings us an introduction to this environment along with the basics of building and deploying a package.

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2008-05-14 (first published: )

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External Article

Modifying Microsoft Access Linked Tables from SQL Server

In a previous tip we saw how easy it was to link to SQL Server tables from Microsoft Access. As is the case with all systems, how does Access manage the changes? What happens when you modify the structure of the underlying SQL Server table? What happens to the SQL Server table if you delete the linked table in Access? We will look at each of these situations in this tip.

2008-05-14

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Question of the Day

Getting the Average

I have this data in the dbo.Commission table in a SQL Server 2022 database.

salesperson commission
Brian       12
Brian       16
Andy        7
Andy        14
Andy        21
Steve       20
Steve       NULL
All the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
     , AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
 FROM commission
 GROUP BY SalesPerson
GO
What average commission is calculated for Steve?

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