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Skeema is a tool for managing MySQL and MariaDB schema changes in a declarative fashion using pure SQL. The Skeema CLI tool allows you to:

• Export CREATE TABLE statements to the filesystem, for tracking in a Git repo
• Diff changes in the schema repo against live DBs to automatically generate DDL
• Manage multiple environments (e.g. dev, staging, prod) and keep them in sync with ease
• Configure use of online schema change tools, such as pt-online-schema-change, gh-ost, or spirit, for performing ALTER TABLE
• Apply configurable linter rules to proactively catch schema design problems and enforce company policies

Skeema supports a pull-request-based workflow for schema change submission, review, and execution. This permits your team to manage schema changes in exactly the same way as you manage code changes.

This repo is the free open source Community edition of the Skeema CLI. The Community edition supports management of tables and routines (procs/funcs). Builds are provided for Linux and MacOS.

The paid Premium edition of the Skeema CLI adds support for managing views and triggers, and also includes a native Windows build, built-in SSH tunnel functionality, and many other improvements.

For download links and more information, visit skeema.io.

• Installation
• Getting started: usage examples and screencasts
• Requirements: supported database versions, required privileges, supported DB features, and edge cases
• Features: how Skeema interacts with each type of database object, and various feature-specific topics
• Configuration guide: option handling, config file format, and command-line option usage
• Command reference: usage instructions for each command in the Skeema CLI
• Option reference: detailed information on every Skeema option
• Schema change workflow: recommended flow from development to production deployments
• Pipelines and automation: integrating Skeema into automated workflows
• Recipes: using Skeema to achieve common schema management tasks
• Frequently asked questions

Created and maintained by @evanelias, and developed with assistance from our many contributors and users.

Support for stored procedures and functions generously sponsored by Psyonix.

Support for partitioned tables generously sponsored by Etsy.

Source code copyright 2024 Skeema LLC and the Skeema authors

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.