Use the Approximate Count Distinct function, APPROX_COUNT_DISTINCT, to return an estimate distinct count of values withing rows. ...

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You can use the SQL UPDATE statement to update multiple columns. The trick is to specify the ...

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For a beginner, learning any kind of programming language can be challenging and can cause you to ...

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The purpose of this article is to introduce you to SQL window functions and some of the ...

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Knowing when to use the SQL COALESCE function is a lifesaver when you’re dealing with NULL. As ...

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