Find quick answers to the most common setup, access, and sync questions.Documentation Index
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Quick answers
Can I connect to a database behind a VPN or private network?
Can I connect to a database behind a VPN or private network?
Dex needs direct network access. If your database is in a private VPC, set up a bastion host, VPN tunnel, or make it publicly accessible with IP allowlisting.
What permissions does the database user need?
What permissions does the database user need?
At minimum, the user needs
SELECT permission on all schemas and tables Dex should analyze. Dex never writes to or modifies your data.How is my data secured?
How is my data secured?
Credentials are encrypted with AES-256 before storage. Connections use SSL/TLS when available.
Can I change enabled resources or tables after connecting?
Can I change enabled resources or tables after connecting?
Yes. Update enabled resources from the connection settings in your dashboard at any time.
What happens during schema sync?
What happens during schema sync?
Dex discovers tables and collections, reads column definitions, and generates human-readable descriptions to help translate natural language into queries.
How often is the schema refreshed?
How often is the schema refreshed?
Schema sync runs when you first connect. You can manually trigger a re-sync from connection settings whenever your schema changes.