NULL

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Database Design Follies: NULL vs. NOT NULL

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It sounds simple enough. Either your column will always have a value or it may not. Yet somehow such a seemingly simple decision can become a never-ending debate where database schema begins to resemble superstition and designing effective tables seems more contentious than you expected it to be.

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2016-02-26 (first published: )

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OPENQUERY Flexibility

Which of these are valid OPENQUERY() uses?

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