Help Center/ GaussDB/ Developer Guide(Distributed_8.x)/ FAQs/ How do I determine whether a column is null?

Updated on 2024-06-03 GMT+08:00

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How do I determine whether a column is null?

Answer: Use IS NUL and IS NOT NULL to determine whether a column is null. For example:

gaussdb=# SELECT * FROM tab WHERE col1 IS NULL;

Parent topic: FAQs

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