option to reject existing duplicate rows but also allow non-duplicate rows to be inserted into table

UDA
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option to reject existing duplicate rows but also allow non-duplicate rows to be inserted into table

Greeting All,

Just wondering if there's any option in TD allow user to insert partially only non-deplicate rows after creating a unique primary table like the undo_policy=none option in SAS. In this way, the process will reject to insert all existing duplicate rows but also allow non-duplicate rows to be inserted into table. Thanks in advance for any response.