Chapter 13Using the Relational Engine

  • Using the relational engine to facilitate SSIS data extraction
  • Loading data with SSIS and the relational engine
  • Understanding when to use the relational engine versus SSIS

You can find the wrox.com code downloads for this chapter at http://www.wrox.com/go/prossis2014 on the Download Code tab.

An old adage says that when you’re holding a hammer, everything looks like a nail. When you use SSIS to build a solution, make sure that you use the right tool for each problem you tackle. SSIS will be excellent for some jobs, and SQL Server will shine at other tasks. When used in concert, the combination of the two can be powerful.

This chapter discusses other features in the SQL Server arsenal that can help you build robust and high-performance ETL solutions. The SQL Server relational database engine has many features that were designed with data loading in mind, and as such the engine and SSIS form a perfect marriage to extract, load, and transform your data.

This chapter assumes you are using SQL Server 2014 as the source system, though many of the same principles will apply to earlier versions of SQL Server and to other relational database systems too. You should also have the SQL Server 2014 versions of AdventureWorks and AdventureWorksDW installed; these are available from www.wrox.com.

The easiest way to understand how the relational database engine can help you design ETL ...

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