| no_data_found | Singleton SELECT statement returned no data. |
| too_many_rows | Singleton SELECT statement returned more than one row of data. |
| invalid_cursor | Illegal cursor operation occurred. |
| value_error | Arithmetic, conversion, or truncation error occurred. |
| invalid_number | Conversion of a number to a character string failed. |
| zero_divide | Attempted to divide by zero. |
| dup_val_on_index | Attempted to insert a duplicate value into a column that has a unique index. |
| cursor_already_open | Attempted to open a cursor that was previously opened. |
| not_logged_on | A database call was made without being logged into Oracle. |
| transaction_backed_out | Usually raised when a remote portion of a transaction is rolled back. |
| login_denied | Login to Oracle failed. |
| program_error | If PL/SQL encounters an internal problem. |
| storage_error | If PL/SQL runs out of memory or if memory is corrupted. |
| timeout_on_resource | Timeout occurred while Oracle was waiting for a resource. |
| others | For all of the rest. |