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docs(databases): describe etcd byte keys and quoting #175

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datlechin merged 1 commit into from
Nov 4, 2026
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docs(databases): describe etcd byte keys and quoting #175

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4 changes: 3 additions & 1 deletion databases/etcd.mdx
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Expand Up @@ -83,6 +83,8 @@ The whole vocabulary is `get`, `put`, `del` (or `delete`), `watch`, `lease grant

Lease IDs take decimal or hex, and hex is detected by its letters. Prefix an all-digit hex ID with `0x` (`--lease=0x69407712`) or it reads as decimal and resolves to another lease.

Quote a key that holds a space, a quote or an invisible character. Inside quotes, `\n`, `\t`, `\\` and `\"` are escapes, and `\xHH` is one byte, so `get "/app/\xff" --prefix` reaches keys that are not UTF-8. Put a key that starts with `--` after a bare `--`: `del --prefix -- --cache/`.

## SSL/TLS

TLS here is set by **TLS Mode** on the Options tab, not by the connection's SSL mode, and it starts **Disabled**. **Required (skip verify)** encrypts without checking the certificate, **Verify CA** checks it against the **CA Certificate** you name, and **Verify Identity** adds the hostname check. **Client Certificate** and **Client Key** cover mutual TLS under either verifying mode. See [SSL/TLS](/connections/ssl) for the concepts.
Expand All @@ -93,7 +95,7 @@ The **CA Certificate** may be PEM or DER. **Verify CA** needs one, since it chec

- No transactions. Each command, and each row you save, is its own gateway request.
- The form takes one endpoint and does not fail over to another member. Point it at a member that is up; `member list` shows the rest.
- A value that is not valid UTF-8 shows in the grid as `<b64:…>` wrapping its base64, and text you type is sent as UTF-8. Write binary values with `etcdctl`.
- A key or value that is not valid UTF-8 shows in the grid as hex and saves back byte for byte. Text you type in a cell is sent as UTF-8.
- No schema editing and no import.

## Troubleshooting
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