Puzzle

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Databases and Dominoes

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A Dominoes game of Texas 42 inspires Joe Celko to explore unusual uses for check constraints and views. Sometimes, the best way of discovering useful SQL techniques is to tackle the more unusual problems.

2013-09-19

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Question of the Day

A New Operator

In SQL Server 2025, what does this code return? 

SELECT '1' || '0'
 

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