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Calculating Age

T-SQL calculations can get tricky at times, and since you often work with multiple rows, it's good to be exact in your data manipulation. New author Lynn Pettis brings us an article about calculating ages.

Windowed Aggregate functions

Sort Order - Include Null al last

T-SQL Data Processing

This article from new author Peter Kierstead shows us how to implement your own "fuzzy" dedup/merge logic without resorting to RBAR in T-SQL.

The Ultimate Foreign Key Researcher

Searches for actual and potential foreign key columns for a given primary key reference.

ANY

Cursors

public access to extended SP's

check public access to extended stored procedures

Correlated Joins Using "Apply"

Discusses the use of the newly introduced APPLY Statement in SQL Server 2005