- Loaders
- Fabric
- Downloads on Modrinth
- 5.6K
- Followers on Modrinth
- 29
- versions
- 3
- Updated
- April 1, 2026Apr 1
- Published
- in 2024
At a glance
Install on the server only; players don't need it
Ledger Databases
Adds support for MySQL, H2, and PostgreSQL databases in Ledger
Use
Common
For both MySQL, H2, and PostgreSQL, you will need to place Ledger Databases in your mods folder along with Ledger 1.1.0 or newer
H2
Add the following to the bottom of your Ledger config file:
[database_extensions]
database = "H2"MySQL
Add the following to the bottom of your Ledger config file:
[database_extensions]
database = "MYSQL"
url = ""
username = ""
password = ""
properties = []
maxPoolSize = 10
connectionTimeout = 60000url: Must be URL of database with /<database_name> appended. An example URL would be localhost/ledger. You can optionally add port information such as localhost:3000/ledger
PostgreSQL
[database_extensions]
database = "POSTGRESQL"
url = ""
username = ""
password = ""
properties = []
maxPoolSize = 10
connectionTimeout = 60000SQLite
[database_extensions]
database = "SQLITE"Connector properties
For some databases, such as MySQL, you can provide properties to the database connector. For each property, add a string entry to the properties array.
properties = ["useJDBCCompliantTimezoneShift=true", "useLegacyDatetimeCode=false", "serverTimezone=UTC"]FAQ
How to install Ledger Databases?
Install Fabric for your Minecraft version, download Ledger Databases for the same version and loader, put the file into the mods folder and launch the game with the loader profile.
Which Minecraft versions does Ledger Databases support?
Ledger Databases has builds for Minecraft 1.20.4–26.2.
Is Ledger Databases needed on the server?
Server only — players don't need to install it