Administration# The Administration Guide describes administrative activities required for proper maintenance of a Querona instance. Engine configuration Configuration parameters Logging configuration Instance configuration Encrypt incoming connections Remarks Service Management Start, Stop, and Restart services Permissions Querona Server service Spark instance Administrative Portal Transact-SQL Managing Apache Spark Instance configuration Local Instance Configuration Adding a managed instance Connection configuration Scheduler pools HDInsight cluster HDInsight configuration Introduction Instance management Viewing instance status Starting and stopping Spark instance See also Managing Data API Introduction Exposed resources Result set format REST API documentation with Swagger / OpenAPI REST HTTP methods GET POST PUT PATCH DELETE Database transactions for REST API requests Instance management Viewing instance status Starting and stopping DataAPI instance See Also Jobs and Schedules Schedules Once Daily Weekly Monthly Jobs Job management using SQL Tags View defined Tags Add a tag Assign parent tag View tag details Nested tags Edit tag Access rights Global access rights Object access rights Users and roles User management Role management Administrative views Administrative qua_data_api_instances qua_functions qua_materialized_views qua_object_pools qua_provider_tables qua_recent_statements Monitoring Statement history Statement details Statement parameters Active statements Running statement Client connections Client connection details Active statements Recent statements Execution plan cache Execution plan Running jobs See also Alerts Alert details Audit logs Debug logs General logs SQL Dialects SQL dialect in action Features of SQL dialects Connection definition customization Query features SQL features Type mappings Function mappings Date/time function mappings Schema analyzers Low-level logging Text files Seq See also