August 2012
Intermediate to advanced
1416 pages
33h 39m
English
book
Microsoft SQL Server 2012 Bible
by Adam Jorgensen, Jorge Segarra, Patrick LeBlanc, Jose Chinchilla, Aaron Nelson
Content preview from Microsoft SQL Server 2012 Bible
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Summary
Merging data is the heart of SQL, and it shows in the depth of relational algebra as well as the power and flexibility of SQL. From natural joins to exotic joins, SQL is excellent at selecting sets of data from multiple sources.
The challenge for the SQL Server database developer is to master the theory of relational algebra and the many T-SQL techniques to effectively manipulate the data.
Manipulating data with SELECT is one of the core benefits of SQL Server. Although joins are the most natural method to work with relational data, subqueries are an effective tool for manipulating and querying data as well.
This chapter established the foundation for working with SQL, covering the SELECT statement, expressions, joins, unions, subqueries, and CTEs.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.