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📕 What is Query Plan?

A sequence of steps generated by the query optimizer from the SELECT query. A particular query can often translate to a lot of query plans. The task of query optimizer is to pick a performant query plan among them. Note it's often computational and time prohibitive to permutate all possible query plans and pick the best one. What query optimizer normally does is to strategically choose a subset of query plans and pick the best one among them.

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.

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Features

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.

Database-as-Code

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.