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Chapter 08

Databases

Vyazen can connect a Postgres database and visualize its schema as a graph, handy for understanding a database you're about to ask the agent to work in.

~1 min read5 sections

What It’s For

Connect a database to see its tables and the relationships between them at a glance. It's an orientation aid, useful before you scope a task that touches the schema.

Connect a Database

From the databases page, choose Connect database and provide a connection URL and a TLS setting. The connection URL follows the standard Postgres format:

text
postgresql://<user>:<password>@<host>:<port>/<dbname>?sslmode=require
  • Use sslmode=require (or verify-full) when your database enforces TLS.
  • The credentials you provide are used to read the schema; they should have at least read access to the tables you want to see.

The Schema Graph

Once connected, Vyazen shows a visual graph of the database: tables as nodes and their foreign-key relationships as edges. Select a table to inspect its columns and relations.

Real-Time Connection Status

Each connected database shows a live connection status: connected, or disconnected/failed if Vyazen can't reach it. If the status drops, re-check the URL, credentials, and network, then reconnect.

Limitations

  • Postgres is the supported database at the documented surface.
  • The schema view is read-only visualization: Vyazen doesn't run migrations or modify your database from this view.
  • Very large schemas may be slow to render; filter to a subset of tables if needed.
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