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ent/doc/md/dialects.md
y-yagi 414dc89605 doc: update supported dialects (#1589)
* MariaDB 10.3 has supported by https://github.com/ent/ent/pull/1407.
* PostgreSQL 13 has supported by https://github.com/ent/ent/pull/961.
2021-05-22 12:15:33 +03:00

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---
id: dialects
title: Supported Dialects
---
## MySQL
MySQL supports all the features that are mentioned in the [Migration](migrate.md) section,
and it's being tested constantly on the following 3 versions: `5.6.35`, `5.7.26` and `8`.
## MariaDB
MariaDB supports all the features that are mentioned in the [Migration](migrate.md) section,
and it's being tested constantly on the following 3 versions: `10.2`, `10.3` and latest version.
## PostgreSQL
PostgreSQL supports all the features that are mentioned in the [Migration](migrate.md) section,
and it's being tested constantly on the following 4 versions: `10`, `11`, `12` and `13`.
## SQLite
SQLite supports all _"append-only"_ features mentioned in the [Migration](migrate.md) section.
However, dropping or modifying resources, like [drop-index](migrate.md#drop-resources) are not
supported by default by SQLite, and will be added in the future using a [temporary table](https://www.sqlite.org/lang_altertable.html#otheralter).
## Gremlin
Gremlin does not support migration nor indexes, and **<ins>it's considered experimental</ins>**.