Limitations and considerations

When using ODBC as a source, the following limitations apply:

UPDATES to primary key fields are not supported. To update the field, define it as a unique index instead.
The ODBC Source endpoint supports full-load operations only.
For providers that do not support batch operations, you must set the RowByRow=true internal parameter according to the description provided in Internal Parameters.
Replicating data with 4-byte emoji characters is not supported.

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