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Don Burleson Blog 








ORA-01002: fetch out of sequence tips

Oracle Error Tips by Donald Burleson


The Oracle oerr utility  notes this on the ora-01002 error:

ORA-01002: fetch out of sequence

Cause: This error means that a fetch has been attempted from a cursor which is no longer valid. Note that a PL/SQL cursor loop implicitly does fetches, and thus may also cause this error. There are a number of possible causes for this error, including:

1) Fetching from a cursor after the last row has been retrieved and the ORA-1403 error returned.

2) If the cursor has been opened with the FOR UPDATE clause, fetching after a COMMIT has been issued will return the error.

3) Rebinding any placeholders in the SQL statement, then issuing a fetch before re-executing the statement.


1) Do not issue a fetch statement after the last row has been retrieved - there are no more rows to fetch.

2) Do not issue a COMMIT inside a fetch loop for a cursor that has been opened FOR UPDATE.

3) Re-execute the statement after rebinding, then attempt to fetch again.

ORA-01002 can have multiple causes including:

  • A PL/SQL loop does fetches without notice
  • Attempting to fetch from a cursor that is no longer valid (fetching from a row which has been retrieved).
  • Fetching after a COMMIT has already been issued and a cursor is opened with the FOR UPDATE clause.
  • Issuing a fetch before re-executing a SQL after rebinding placeholders.

You may want to try using cursor attributes to dodge ORA-01002 in the future. To resolve a current ORA-01002, there are three actions you can perform:

  1. After the last record is received, do not issue a fetch
  2. Inside a fetch loop on a SELECT FOR UPDATE, do not use a COMMIT
  3. Try fetching again after re-executing the statement (after rebinding)



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