| Output Mode | | Append Mode |
- The existing records are deleted when program is re-executed.
| | - The new records are added from end of file, if the program is re-executed.
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- The record pointer is always at the top of the file.
| | - The record pointer remains at the bottom of the file.
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- The file structure is defined in each execution.
| | - The file structure is defined at the first time execution ony.
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