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ORA-01000 maximum open cursors exceeded



Cause: A host language program attempted to open too many cursors. The initialization parameter OPEN_CURSORS determines the maximum number of cursors per user.

Action: Modify the program to use fewer cursors. If this error occurs often, shut down Oracle, increase the value of OPEN_CURSORS, and then restart Oracle.
Question:

I keep encountering ORA-01000 and can't even create a table

Answer:

First, you should try increasing your OPEN_CURSORS and take a look at the application to see if/why cursors are staying open.  Here is an example from a forum:

ALTER SYSTEM SET open_cursors = 400 SCOPE=BOTH;

Furthermore, to resolve ORA-01000, try to close whatever cursors are no longer in use, raise the OPEN_CURSORS parameter within your initialization file, and restart Oracle.

Resolving ORA-01000 try setting this OPEN_CURSORS to a higher number.  Keep in mind when resolving ORA-01000 in this way that changing this value in the proper way should not alter the system performance, but will probably require more memory for cursor storing.

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