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| {{AfDM|page=SQL Return Codes|date=2007 October 18|substed=yes}}
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| |text='''This article has now been successfully [[b:Help:Transwiki|imported]] to [[Wikibooks]].''' You can find it on Wikibooks under the name '''[[b:SQL return codes|SQL return codes]].''' <br/> <small>If this page can be [[WP:EDIT|rewritten]] into an encyclopedic article, please do so and remove this message and/or add a link to the Wikibook using {{tl|wikibooks}}.</small> | | |text='''This article has now been successfully [[b:Help:Transwiki|imported]] to [[Wikibooks]].''' You can find it on Wikibooks under the name '''[[b:SQL return codes|SQL return codes]].''' <br/> <small>If this page can be [[WP:EDIT|rewritten]] into an encyclopedic article, please do so and remove this message and/or add a link to the Wikibook using {{tl|wikibooks}}.</small> |
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| '''SQL Return Codes''' are used on a day to day basis for the diagnosis of programming failures as a result of SQL calls by [[IBM DB2|DB2]] [[computer programs]]. An important feature of [[IBM DB2|DB2]] programs is the error processing. The error diagnostic containing the SQL Return Code is held in the field '''SQLCODE''' within the DB2 [[SQLCA]] block.
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| == SQLCA ==
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| The SQL communications area (SQLCA) structure is used within the [[IBM DB2|DB2]] program to return error information to the [[application program]]. This information in the SQLCA and the SQLCODE field is updated after every [[Application programming interface|
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| API]] call for the SQL statement.
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| == SQLCODE ==
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| The SQLCODE field contains the SQL return code. The code can be zero (0), negative or positive.
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| 0 means successful execution.
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| Negative means unsuccessful with an error.
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| An example is -911 which means a timeout has occured with a rollback.
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| Positive means successful execution with a warning.
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| An example is +100 which means no rows found.
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| Here is a more comprehensive list of the SQLCODEs for DB2:
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| === Zero (Successful) ===
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| 0 Successful
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| === Negative values (Errors) ===
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| -102 String constant is too long.
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| -117 The number of values in the INSERT does not match the number of columns.
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| -180 Bad data in Date/Time/Timestamp.
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| -181 Bad data in Date/Time/Timestamp.
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| -199 Illegal use of the specified keyword.
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| -204 Object not defined to DB2.
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| -205 Column name not in table.
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| -206 Column does not exist in any table of the SELECT.
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| -216 Not the same number of expressions on both sides of the comparison in a SELECT .
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| -224 FETCH cannot make an INSENSITIVE cursor SENSITIVE.
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| -229 The locale specified in a SET LOCALE statement was not found.
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| -305 Null indicator needed.
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| -311 Varchar, insert or update. -LEN field with the right data length not set.
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| -482 The procedure returned no locators.
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| -501 Cursor not open on FETCH.
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| -502 Opening cursor that is already open.
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| -503 Updating column needs to be specified.
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| -530 Referential integrity preventing the INSERT/UPDATE
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| -532 Referential integrity (DELETE RESTRICT rule) preventing the DELETE.
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| -536 Referential integrity (DELETE RESTRICT rule) preventing the DELETE.
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| -545 Check constraint preventing the INSERT/UPDATE.
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| -747 The table is not available.
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| -803 Duplicate key on insert or update.
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| -805 DBRM or package not found in plan.
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| -811 More than one row retrieved in SELECT INTO.
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| -818 Plan and program: timestamp mismatch.
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| -904 Unavailable resource. Someone else is locking your data.
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| -911 Deadlock or timeout. Rollback has been done.
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| -913 Deadlock or timeout. No rollback.
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| -922 Authorization needed.
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| -927 The language interface was called but no connection had been made.
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| === Positive Values (Warnings) ===
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| +100 Row not found or end of cursor.
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| +222 Trying to fetch a row within a DELETE statement.
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| +223 Trying to fetch a row within an UPDATE statement.
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| +231 FETCH after a BEFORE or AFTER but not on a valid row.
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| +304 Value cannot be assigned to this host variable because it is out of range.
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| +802 The null indicator was set to -2 as an arithmetic statement didn't work.
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