US Patent 9779126 Hybrid database upgrade migration

According to some embodiments, it may be determined that a plurality of hybrid database version upgrade migrations are to be performed. Each upgrade migration may include, for example, a schema change portion and a data change portion. A first database migration tool instance may be automatically run to perform the upgrade migration schema change portions. Similarly, a second database migration tool instance may be automatically run to perform the upgrade migration data change portions, wherein the second instance is not run until the first instance is complete.