| Base of Difference | Append Structure | Include Structure |
| Add Fields | We use Append Structure to add fields to the table from last . | We use Include Structure to add fields in middle. |
| Structre | We cannot use the Append structure in another table. | we can use include structure in more than one table. |
| Nest Structure | We cannot nest append structure. | But we can nest include structure upto depth of 9 structure source.
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