There is a command group 'az_postgres_flexible server'. This group of commands could 'manage azure database for postgresql flexible servers'. The group of commands has global parameter '--debug' which means 'Increase logging verbosity to show all debug logs.'. The group of commands has global parameter '--help -h' which means 'Show this help message and exit.'. The group of commands has global parameter '--only-show-errors' which means 'Only show errors, suppressing warnings.'. The group of commands has global parameter '--output -o' which means 'Output format.'. The group of commands has global parameter '--query' which means 'JMESPath query string. See <a href="http://jmespath.org/">http://jmespath.org/</a> for more information and examples.'. The group of commands has global parameter '--subscription' which means 'Name or ID of subscription. You can configure the default subscription using `az account set -s NAME_OR_ID`.'. The group of commands has global parameter '--verbose' which means 'Increase logging verbosity. Use --debug for full debug logs.'. This group contains a child command 'az_postgres_flexible server_connect'.The syntax is: az postgres flexible-server connect --admin-user
                                    --name
                                    [--admin-password]
                                    [--database-name]
                                    [--interactive]
                                    [--querytext]. The parameter '--admin-user -u' is required. It is used to the login username of the administrator.. The parameter '--name -n' is required. It is used to name of the server. the name can contain only lowercase letters, numbers, and the hyphen (-) character. minimum 3 characters and maximum 63 characters.. The parameter '--admin-password -p' is optional. the login password of the administrator.. The parameter '--database-name -d' is optional. the name of a database.. The parameter '--interactive' is optional. pass this parameter to connect to database in interactive mode.. The parameter '--querytext -q' is optional. a query to run against the flexible server.. 