Merge pull request #303 from nocodb/docs/ext-db-versions

docs: recommended versions

Author: dstala

content/docs/data-sources/connect-to-data-source.mdx

@@ -5,6 +5,8 @@ tags: ['Data Sources', 'Connect', 'External', 'PG', 'MySQL', 'mtls', 'tls', 'ssl
 keywords: ['NocoDB data source', 'connect data source', 'external data source', 'PG data source', 'MySQL data source']
 ---
 
+<Callout type="info"> NocoDB recommends using **MySQL version 5.7 or later** and **PostgreSQL version 14 or later** for best compatibility and performance. </Callout>
+
 To connect an external Database as a new Data Source for NocoDB, follow the steps below:
 1. Click on the Base name in the left sidebar to access the **Base homepage**
 2. Click **Connect External Data** button