Tutorial 44 : NULL in Oracle || NVL() Explained

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Hi Friends!

Here we are learning about what is NULL in Oracle. How we can deal with NULL Values. How NVL() Function helps us with NULL Value.

Hope the concept and example would be clear to you.

For any help or issue, let me know in comment box.

Thanks,
Happy Coding.
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I want like if it is null add z and if it is empty leave as is. Can it possible in oracle

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