ORA-00908 missing NULL keyword

What causes an ORA-00908 error?

Either of the following: In a CREATE TABLE or ALTER TABLE statement, NOT was entered to specify that no null values are allowed in that column, but the keyword NULL was omitted. In the IS [NOT] NULL logical operator, the keyword NULL was not found. For example, the following statement generates this message:


The keyword NULL must follow the keywords IS NOT.

How Xynomix can help

We can correct the syntax. Contact us for more information. To learn more about ways we can support your database visit our Oracle database consultancy page.

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