Oracle / PLSQL: ORA-01000 Error Message

Learn the cause and how to resolve the ORA-01000 error message in Oracle.

Description

When you encounter an ORA-01000 error, the following error message will appear:

• ORA-01000: maximum open cursors exceeded

Cause

You tried to open too many cursors at once. Each user is restricted to the number of cursors open based on the OPEN_CURSORS parameter in the initialization file.

Resolution

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

Option #1

Try to close cursors that you are no longer using before opening new cursors.

For example, you could close a cursor called c1 with the following command:

CLOSE c1;

Option #2

You may need to shut down Oracle, increase the OPEN_CURSORS parameter in the initialization file, and restart Oracle.