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Allan S. Hansen

.NET/Sitecore/EPiServer/Umbraco developer; With a personal interest in database, sql and performance.

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  • Denmark
  • Svelmoe
  • Member for 7 years, 4 months
  • 83 profile views
  • Last seen Jan 14 at 7:01

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Top posts (31)

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7 How to optimize NOT IN statement Oct 22 '13
6 Join on multiple columns with OR Dec 3 '15
5 Problem with the function UNIX_TIMESTAMP Oct 1 '13
4 how to write conditional where clause query Nov 25 '13
3 T-SQL SELECT use multiple indexes for no reason Jan 6 '16
3 NVARCHAR column as PRIMARY KEY or as UNIQUE column Feb 10 '15
3 Slow join behaviour with 'or' in predicate Oct 22 '13
2 SQL Server Estimated I/O Cost in real units Nov 26 '15
2 What's the reason for using double inner join in this SQL statement? Dec 18 '18
1 Database design implementing support for different languages Dec 6 '13
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