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Q&A Oracle Differences between NVL and Coalesce
Oracle Differences between NVL and Coalesce
P粉148782096 2025-12-26 17:01:22 Views 106

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Are there non obvious differences between NVL and Coalesce in Oracle?

The obvious differences are that coalesce will return the first non null item in its parameter list whereas nvl only takes two parameters and returns the first if it is not null, otherwise it returns the second.

It seems that NVL may just be a 'Base Case" version of coalesce.

Am I missing something?

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