Overview of ORA-1000 Maximum Number of Cursors Exceeded
Last updated on DECEMBER 06, 2016
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Information in this document applies to any platform.
***Checked for relevance on 13-Jan-2012***
One of the most common errors that occurs is an ORA-01000:
Cause: A host language program attempted to open too many cursors.
The initialization parameter OPEN_CURSORS determines the maximum number of cursors per user session.
Action: Modify the program to use fewer cursors. If this error occurs often, shut down Oracle, increase the value of OPEN_CURSORS. example: alter system set open_cursors = 400 scope=both;
This error happens a lot in association with some kind of application, e,g, an OCI program, Pro*C program, Visual Basic, CDE Tools (Reportwriter, Forms, etc.), Financial Applications, etc.
This error also happens at the database level, with just regular inserts, updates, deletes, etc. in PL/SQL or in SQL*Plus, etc.
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