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Thursday 25 May 2017

Oracle: ORA-00908 Error Message

ORA-00908 Error Message

Learn the cause and how to resolve the ORA-00908 error message in Oracle.

Description

When you encounter an ORA-00908 error, the following error message will appear:
  • ORA-00908: missing NULL keyword

Cause

You tried to execute a SQL statement, but you missed entering the NULL keyword.

Resolution

The option(s) to resolve this Oracle error are:

Option #1

This error can occur if you try to execute a SQL statement using the IS NULL condition or IS NOT NULL condition, but miss 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:
Oracle PLSQL
You could correct this error, by modifying the statement as follows:
SELECT * 
FROM suppliers
WHERE supplier_name IS NOT NULL;

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