Oracle / PLSQL: ORA-01821 Error Message
Learn the cause and how to resolve the ORA-01821 error message in Oracle.
Description
When you encounter an ORA-01821 error, the following error message will appear:
- ORA-01821: date format not recognized
Cause
You tried to enter a date value, but you used a date format that is not supported by Oracle.
Resolution
The option(s) to resolve this Oracle error are:
Option #1
Check the date formats recognized by the TO_DATE function. Correct the format and retry.
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