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SQLServerCentral Article

Concatenating Rows

Often in database design we store different values in rows to take advantage of a normalized design. However many times we need to combine multiple rows of data into one row for a report of some sort. New author Carl P. Anderson brings us some interesting T-SQL code to accomplish this.

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2011-03-04 (first published: )

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External Article

Look-up Tables in SQL

Lookup tables can be a force for good in a relational database. Whereas the 'One True Lookup Table' remains a classic of bad database design, an auxiliary table that holds static data, and is used to lookup values, still has powerful magic. Joe Celko explains....

2011-03-04

7,435 reads

Technical Article

T-SQL Quiz 2011

The 2011 edition of MVP Jacob Sebastian's T-SQL Quiz is underway. You can take part in the quiz each day, submitting your answers for the chance to show off your knowledge and perhaps win some prizes.

2011-03-04

4,394 reads

External Article

How To Use Regular Expressions for Data Validation and Cleanup

You need to provide data validation at the server level for complex strings like phone numbers, email addresses, etc. You may also need to do data cleanup / standardization before moving it from source to target. Although SQL Server provides a fair number of string functions, the code developed with these built-in functions can become complex and hard to maintain or reuse.

2011-03-03

15,100 reads

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Question of the Day

Identities and Sequences III

When thinking of the Identity property for auto incrementing columns and sequences for the same action, which can be used with the BIGINT data type?

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