A.Level-1 backup

B.Level-2 backup + Redo log

C.Level-2 backup

D.Level 1 backup + Redo log

A.Database configuration data

B.Business data

C.Business structure data

D.Historical performance data

A.AnolyticDB

B.Oracle

C.MySQL

D.HOLO

E.OTS

F.OSS

G.MongoDB

A.DTS can migrate data from several source databases to one destination database, for example, A > C and B > C.

B.DTS can migrate data from one source database to several destination databases, for example, A > B and A > C.

C.DTS can migrate data from one source database to one destination database, for example, A > B.

D.DTS can migrate data in a circular way, for example, A > B > C > A.

A.Synchronizing information about user accounts and permissions.

B.Change tracking and data distribution.

C.Synchronizing data to data warehouses in real time to build data warehouses for real-time analytics.

D.Configuring data audit rules to manage data quality.

E.Database migration without interrupting services / downtime

F.Geo-disaster recovery and active geo-redundancy for databases