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📕 What is Migration (database system)?
The process of migrating the entire database from one system to another (e.g. From MySQL to PostgreSQL or vice versa). The process usually consists of 3 phase, 1) baseline phase 2) catchup phase 3) switchover phase. In the baseline phase, team creates a data dump from the source database system and loads it into the target database system. 2) In the catchup phase, team configures a change-data-capture (CDC) pipeline to stream the ongoing changes to the target database. 3) In the switchover phase, team cuts off the traffic to the original database, wait for target database to catch up all new changes from the source database, and then redirect the traffic to the target database. If executed carefully, the downtime would be limited to the blackout period in the switchover phase.
Safer and faster database change and version control for DBAs and Developers
Bytebase is an open source, web-based database schema change and version control tool for teams. It offers a web-based collaboration workspace to help DBAs and Developers manage the lifecycle of application database schemas.