Postgres

Tag 4: a connector has no database connection to open; the server answers every such channel by a channel response finish that no channel response precedes.

A connector has no half of a database connection to open: the container’s connections go to its runner. The server answers every channel request of this tag on a connect scope by a channel response finish that no channel response precedes.

• The request. The tag byte 4 followed by four bytes. Request states its form.
• The response. No channel response. Response states it.