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Data & Privacy

Where DBFlux stores your data, how it protects your credentials, what the audit log keeps, and how to back up or fully reset.

At a glance

Your data	Where it lives
Connection profiles, settings, history, saved charts/queries, audit log	One SQLite file: `dbflux.db` in the data directory
Open tabs / session	The same `dbflux.db`, plus scratch files in the data directory
Passwords, passphrases, API secrets	Your OS keyring — never in `dbflux.db`
IPC/MCP auth token	A `0600` file in the config directory

DBFlux keeps almost everything in a single SQLite database. Secrets are the deliberate exception: they go to the operating system’s keyring, and the database only stores a reference to them.

Data locations

DBFlux uses your platform’s standard directories.

Platform	Data directory	Config directory
Linux	`~/.local/share/dbflux/`	`~/.config/dbflux/`
macOS	`~/Library/Application Support/dbflux/`	`~/Library/Application Support/dbflux/`
Windows	`%APPDATA%\dbflux\`	`%APPDATA%\dbflux\`

The data directory holds:

dbflux.db — the unified database (everything below in What’s in the database).
st_sessions/ — scratch/shadow files for open editor tabs.

The config directory holds the IPC auth token (see below).

Stable vs. Nightly

A Nightly build uses a separate database file, dbflux-nightly.db, so a pre-release migration can never touch your stable data. Stable and release candidate builds both use dbflux.db.

You can make a Nightly build share the stable database via Settings → General → Storage → Use the stable database (applies on next launch). Internally this just drops an empty use-stable-db marker file in the data directory.

What’s in the database

dbflux.db is a single SQLite file. Its tables are grouped by prefix:

Prefix	Contains
`cfg_*`	Configuration: connection profiles, auth/proxy/SSH tunnel profiles, RPC services, connection hooks, MCP governance, and the General/Audit settings. (Secret values are not here — only keyring references.)
`st_*`	Workbench state: open sessions/tabs, query history (full query text), saved queries, recent items, schema cache, UI state.
`aud_*`	The audit log and saved audit filters.
`viz_*`	Saved charts and dashboards.
`qry_*`	Visual Query Builder saved queries.
`sys_*`	Internal: schema migration version, app metadata.

Note on query history. The workbench query history (st_*) stores the full text of queries you run, in the clear. This is separate from the audit log, which fingerprints query text by default (see below). If you don’t want query text retained, lower Max history entries in Settings → General, or clear history from the editor’s history view.

Secrets and the OS keyring

Passwords, SSH passphrases, proxy credentials, and provider secrets are stored in your operating system’s keyring, not in dbflux.db.

Platform	Keyring backend
Linux	Secret Service (GNOME Keyring / KWallet, via libsecret)
macOS	Keychain
Windows	Windows Credential Manager

All entries are stored under the service name dbflux. The database holds only a reference string per secret:

Secret	Reference
Connection password	`dbflux:conn:<profile-id>`
Inline SSH password/passphrase	`dbflux:ssh:<profile-id>`
Saved SSH tunnel	`dbflux:ssh_tunnel:<tunnel-id>`
Proxy credential	`dbflux:proxy:<proxy-id>`
Auth-profile field	`dbflux:auth:<profile-id>:<field>` (one per field)

When secrets are (and aren’t) saved

A connection password is only stored when you tick Save password; SSH and proxy secrets only when you tick their Save checkbox.
If no keyring is available, DBFlux hides the Save checkboxes and does not persist secrets — you re-enter them each session.
A locked keyring still counts as available: writes may fail until you unlock it, but DBFlux keeps secret support enabled.

Session and tabs restore

Which tabs you have open — their kind, file paths, order, active tab, and pin state — is recorded in dbflux.db (st_sessions / st_session_tabs). The actual scratch/shadow file contents live alongside it under st_sessions/ in the data directory. On startup DBFlux restores this session when Settings → General → Restore session on startup is on (the default).

Audit and privacy

DBFlux logs significant operations (queries, connections, hooks, scripts, config changes, MCP/governance decisions) to the audit log in dbflux.db. It’s designed to be privacy-preserving by default:

Behavior	Default	Effect
Capture query text	Off	Query text is replaced with a SHA-256 fingerprint plus its length — the full text is never stored in the audit row.
Redact sensitive values	On	Sensitive patterns (AWS keys, JWTs, connection strings with credentials, etc.) are replaced with `[REDACTED]`.
Detail size cap	64 KiB	Oversized event payloads are truncated to a small partial envelope.

Sensitive JSON keys (password, token, secret, api_key, access_key, session_token, connection_string, url, …) are always redacted — even if you turn off pattern-based redaction.

Remember the query-history caveat: the audit log fingerprints query text, but the workbench history stores it in full. They’re two different stores.

For the complete event schema, categories, and the viewer, see Audit and Dashboards & Audit → Audit viewer.

IPC/MCP auth token

DBFlux exposes a local IPC surface (used by the MCP server and external RPC services). It authenticates callers with a token stored at:

<config dir>/dbflux/ipc_auth_token

(on Linux, ~/.config/dbflux/ipc_auth_token). It’s a random value regenerated on each startup, written with owner-only 0600 permissions, and also exported to the DBFLUX_IPC_TOKEN, DBFLUX_DRIVER_IPC_TOKEN, and DBFLUX_AUTH_PROVIDER_IPC_TOKEN environment variables for child processes.

This token is process-identity only — any local process that can read it can connect. Do not expose the IPC/MCP surface beyond localhost without an additional authentication layer. See AI + MCP Integration for the trust model.

Backup and reset

DBFlux has no dedicated backup/restore command, but because everything lives in one file, both are straightforward.

Back up

Copy the single database file while DBFlux is closed:

~/.local/share/dbflux/dbflux.db        # Linux (adjust per platform)

That file contains your profiles, history, saved charts/queries, and audit log. Your secrets are not in it — they stay in the OS keyring — so a copied database on another machine will reference keyring entries that don’t exist there until you re-enter the secrets.

Full reset

To wipe DBFlux’s data:

Delete the data directory (~/.local/share/dbflux/ on Linux) — removes the database and session files.
Delete the config directory (~/.config/dbflux/ on Linux) — removes the IPC auth token.
Clear keyring entries manually. Secrets under the dbflux service remain in your OS keyring after deleting the directories; remove them with your platform’s keyring tool if you want a complete wipe.

Deleting the data directory is irreversible. Back up dbflux.db first if you might want your profiles or history back.

Settings & Hooks — the General/Audit/Storage controls referenced here.
Connecting → Advanced Setup — where secrets are entered.
Audit — the full audit event schema and redaction details.