> ## Documentation Index
> Fetch the complete documentation index at: https://docs.bytebase.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Bytebase 2.2.0 - Jun 09, 2023

> Support batch change by database groups in tenant projects; Support table-level data query requests; SQL Editor supports multiple running SQL SELECT statements in one query; Support SQL review for OceanBase.

## 🚀 New Features

* Support batch change by [database groups](/change-database/batch-change/#change-databases-from-database-groups) in tenant projects.
* Support [table-level data query requests](/security/database-permission/request).
* SQL Editor supports multiple running SQL SELECT statements in one query.
* Support SQL review for OceanBase.

## 🎄 Enhancements

* Display warnings on oversized sheets.
* Support loading files larger than 1MB from GitHub.

## 🎠 Community

* Thanks to [@whhe](https://github.com/whhe) for feat: enable existing Mysql advisor rules for OceanBase [#6355](https://github.com/bytebase/bytebase/pull/6355)

## 📰 Fresh off the press

* As we approach the halfway point of 2023, how are [our predictions](https://www.bytebase.com/blog/database-review-2022/) for the database market holding up? 🤓
* Are you looking for Database CI/CD tools? Bytebase and Liquibase are two options. [This article](https://www.bytebase.com/blog/bytebase-vs-liquibase/) helps you understand their differences. 👀
* Longbridge Whale, a financial service SaaS provider, solved the problem of schema changes in tenant mode with Bytebase. You can learn more about [their success story in case study](https://www.bytebase.com/blog/longbridge-case-study/). 🥳

## ⚙️ Install and Upgrade

* [Fresh install](/get-started/self-host/deploy-with-docker)

* [Upgrade](/get-started/self-host/upgrade)

*Before upgrading: 1) Back up the [metadata](https://www.bytebase.com/docs/administration/back-up-restore-metadata/) — in-place downgrade is not supported. 2) Do not run multiple containers on the same data directory. 3) Terraform users: upgrade Bytebase server first, then apply the new Terraform config.*