# Artifacts created by Replicate in the database

In order to capture changes, Qlik Replicate creates various artifacts in the dbo schema of the Microsoft SQL Server database when the task starts. You can safely remove them when the task completes.

The following artifact is created to track open transactions:

* `#attrep_dbcc_open_trans_table`

The following functions are created to verify that the LSN (Log Sequence Number) is valid:

* `attrep_fn_LsnSegmentToHexa`
* `attrep_fn_NumericLsnToHexa`