Email addresses are very prevalent in IT systems and often used as a natural primary key. The repetitive storage of email addresses in multiple tables is a bad design choice. Following is a design pattern to store email addresses in a single table and to retrieve them efficiently.
2017-09-15 (first published: 2015-09-24)
8,687 reads
Data Compression and Snapshot Isolation don't play well together, you may not see a performance benefit
2014-10-02
3,700 reads
By Steve Jones
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In SQL Server 2025, what is returned by this code:
SELECT EDIT_DISTANCE('tim', 'tom')
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