Learn the cause and how to unravel the ORA-00908 error message in Oracle.
When you come across an ORA-00908 error, the following error message will appear:
ORA-00908: missing NULL keyword
You tried to execute a SQL statement, however you overlooked entering the NULL keyword.
The option(s) to resolve this Oracle error are:
This error can show up if you strive to execute a SQL announcement using the IS NULL circumstance or IS NOT NULL condition, however omit entering the NULL keyword.
For example, if you tried executing the following statement:
SELECT * FROM suppliers WHERE supplier_name IS NOT;
You would receive the following error message:
You ought to right this error, by way of enhancing the statement as follows:
SELECT * FROM suppliers WHERE supplier_name IS NOT NULL;