The following table describes the FastExport restrictions and limitations on operational features and functions.
| Operational Feature/Function | Restriction/Limitation |
|---|---|
| Concurrent Load Utility Tasks | The maximum number of concurrent FastExport tasks that can run is variable; the limit can be controlled by the system administrator. MaxLoadTasks may be overridden if TASM is active. For the most up-to-date information on concurrent task limits see Teradata Vantage™ - Database Utilities, B035-1102. Additional information is also available in the Teradata Dynamic Workload Manager User Guide, B035-2513. If a FastExport job exceeds the recommended limits, the database returns a 2633 error message indicating that too many loads are running, and the utility retries until:
|
| Exponential operators | Not allowed |
| Concatenation of data files | Not allowed |
| Expressions | Are evaluated from left to right, using the database order of preference, but can be overridden by parentheses |
| Hexadecimal Form | FastExport does not accept and will not display object names specified in internal database hexadecimal form. |
| NUMBER DataType Usage | NUMBER datatype is not supported in the nullif and apply-where clause. SET and ACCEPT commands cannot assign and accept NUMBER datatype. |