docs: highlight supported features for Oracle (#502)

Author: rebelice

content/docs/change-database/rollback-data-changes.md

@@ -31,7 +31,7 @@ We are working on enabling backup and 1-click rollback for more SQL statements.
 
 <HintBlock type="info">
 
-Applicable to `MySQL`, `Oracle`.
+Applicable to `MySQL`, `Oracle(Prior backup only)`.
 
 </HintBlock>