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WHERE vs CASE
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Unlocking Precision: When and How to Use SQL WHEN IS NOT NULL
The `WHEN` clause, often paired with `IS NOT NULL`, transforms raw data into actionable insights. Without it, analysts would drown in verbose `CASE WHEN`...
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The `WHEN` clause, often paired with `IS NOT NULL`, transforms raw data into actionable insights. Without it, analysts would drown in verbose `CASE WHEN`...