FAQ Overview
Last Updated:2021-11-02
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?