{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to configure a connection to a PostgreSQL database in the configuration file of a blockchain plugin?","a":"In  this chapter, you need to configure the following parameters:↵↵   - `host`: The hostname or IP address of the PostgreSQL server.↵   - `port`: The port number on which the PostgreSQL server is listening. Default is 5432.↵   - `user`: The username for connecting to the PostgreSQL server.↵   - `password`: The password for the"}]}],"pr":"ff64501a600dab806b2131481ce58f60c1f525261030633c1db45447dd65cfd5"}