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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.

mysql postgresql clickhouse tidb snowflake gitlab


SQL Review

A dedicated review workflow and UI for Developers and DBAs to collaborate on schema changes. Assisted by built-in advisor such as backward compatibility checks.


Integrate with VCS hosting the migration scripts. Migration pipeline is triggered on observing new script push event.

Streamlined Deployment

Support multi-tenant (M), multi-environment (N) schema change in a single M*N change matrix pipeline.

SQL Editor

Easy-to-use query interface to SELECT database records.

Migration History

Record the full migration history with side-by-side diff comparison between versions.

Anomaly Center

Periodically scan all managed instances and databases and provide user a holistic view to see all anomalies.

Drift Detection

Periodically scan all managed instances and databases and provide user a holistic view to see all anomalies.

Backup and Restore

Per-database automatic and manual backup. Environment specific backup schedule policy. Restore to new database with the entire restored migration history chain.

Role-based Access Control

Two role set. Owner, DBA, Developer for workspace. Owner, Developer for project.