Used to verify whether the server is still connected and listening properly.
Applicability
This topic applies only to OceanBase Database in Oracle mode.
Syntax
UTL_SMTP.NOOP (
c IN OUT NOCOPY connection)
RETURN reply;
UTL_SMTP.NOOP (
c IN OUT NOCOPY connection);
Parameters
| Parameter | Description |
|---|---|
| c | SMTP connection. |
Return value
| Return value | Description |
|---|---|
| reply | The reply to the command. If multiple replies are returned, only the last one is returned. |
Considerations
- This command is used to trigger a successful response from the server. After
open_connect, you can usenoopto verify whether the server is still connected and listening properly. - The expected return value is a reply starting with
250, indicating that the server is connected and listening properly.