Function ctChangesSafeQuery

Steps

To obtain data inside a snapshot transaction, perform the following steps: (Reference)

1. Set the transaction isolation level to snapshot and start a transaction.
2. Validate the last synchronization version by using CHANGE_TRACKING_MIN_VALID_VERSION().
3. Obtain the version to be used the next time by using CHANGE_TRACKING_CURRENT_VERSION().
4. Obtain the changes for the table by using CHANGETABLE(CHANGES ...)
5. Commit the transaction.