Why is repository XML overridden after changing database structure with SDT in Exact Synergy Enterprise
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When inserting new column in a database table, `SDT` creates a new `SQL file` and modifies `repository XML` at the same time. 

The problem is that when we complete everything that has to be in `Repository Explorer` (using Exact Synergy Enterprise `SDK`), adding a new column to the database table with `SDT` eliminates all changes that have been done to repository through `SDK` as a new `repository XML` file is created independently from the one we modified in `repository` using `Repository Explorer`. 

How can we avoid this behaviour?