There is a command group 'az_sql_server arc_extension_feature flag'. This group of commands could 'manage extension level feature flags'. 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_sql_server arc_extension_feature flag_delete'.The syntax is: az sql server-arc extension feature-flag delete --name
                                                --resource-group
                                                [--machine-name]
                                                [--sql-server-arc-name]. The 1th example of the child command would be to use it to 'ex 1   deleting a feature flag', the syntax is: az sql server-arc extension feature-flag delete --name FeatureName --resource-group MyResourceGroup --machine-name MyArcServerName. The 2th example of the child command would be to use it to 'ex 2   deleting a feature flag using arc sql instance resource name', the syntax is: az sql server-arc extension feature-flag delete --name FeatureName --resource-group MyResourceGroup --sql-server-arc-name MyArcSqlInstanceName. The parameter '--name -n' is required. It is used to name of the feature.. The parameter '--resource-group -g' is required. It is used to name of the resource group where the connected machine is located.. The parameter '--machine-name' is optional. name of the connected machine.. The parameter '--sql-server-arc-name' is optional. name of the sql server instance.. 