> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/reference/clientserver-protocol/2-text-protocol/com_init_db.md).

# COM\_INIT\_DB

`COM_INIT_DB` is used to specify the default schema for the connection.

## Fields

* [int<1>](/docs/server/reference/clientserver-protocol/protocol-data-types.md#fixed-length-integers) `0x02` : `COM_INIT_DB` Header.
* [string\<NUL>](/docs/server/reference/clientserver-protocol/protocol-data-types.md#null-terminated-strings) schema name.

## Response

[ERR\_Packet](/docs/server/reference/clientserver-protocol/4-server-response-packets/err_packet.md) or [OK\_Packet](/docs/server/reference/clientserver-protocol/4-server-response-packets/ok_packet.md).

## Example

```
06 00 00 00 02 74 65 73 74 63                    .....testc
```

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