FAQs about the Data Migration

• What types of data migration does DTS support?
• What contents will DTS structure migrate?
• What is the principle of DTS incremental migration and how to ensure incremental real-time migration?
• Does the DTS migration process affect the source database and delete the data in the source database?
• In the DTS migration process, for BCC self-built database or RDS instance, is it through private network or external network?
• In the DTS migration process, for BCC self-build database or RDS instance, is it through private network or external network?
• Does DTS support data migration of BCC self-built database or RDS instance within VPC?
• Can different databases under two RDS instances under the same account be migrated?
• In the DTS migration process, will the table data of the same name in the target library be overwritten?
• [Why the following privileges:["SELECT","LOCK TABLES","REPLICATION CLIENT"] are required before data migration by users?](DTS/FAQs/FAQs About Data Migration.md#Why the following privileges:["SELECT","LOCK TABLES","REPLICATION CLIENT"] are required before data migration by users?#)

FAQs about the Data Synchronization

• Does DTS support building a MySQL instance locally as a slave library for RDS instance?
• How to realize database disaster recovery?
• Can data synchronization modify the synchronization source instance?

FAQs About the Use

• Why does system prompt unable to access the database in DTS migration process?
• Why is the migration progress recalculated after restarting from the pause of full migration task?
• Why can't data be written into the source library in the full migration process?
• Why do duplicate data appear in the target database after restarting from the pause of incremental migration?
• Can normal migration or synchronization be continued after the master-slave switch of the source library?
• Can normal migration and synchronization be continued after the master-slave switch of the target library?
• The console shows that the task is running, but the target library has no data?
• Why is an error reported when modifying the library name or the table name of the target database, in the data migration process?