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Lenguaje Sql Essay

4944 words - 20 pages

Sistemas de datosRDBMS: Sistema administración de Base de datos relacionables.Relagional DateBase Management SistemTiene programación, seguridad.Oracle: es una red de RDBMSSybaseIBM DB/2RDBMS Microsoft SQL ServerGuptta SQLInformixC.A. JazminANSI =(ISO)SequelSQL (Standard query langer) Lenguaje standard común de consultas.Herramientas (Programas que vienen con el sql server)SQL Enterprise ManagerSQL Service ManagerISQL/WSQL Security ManagerSQL TraceSQL Performance MonitorMicrosoft Query (MS Query)SQL Server Web AssistantSQL Server Books on LineMicrosoft ODBCSQL Server DriverSQL Distributed Management ObjectsSQL Setup.Manejador de servicios: prende o apaga servicios de NTArma interface al motor de SQL: permite probar instrucciones al SQL Server.Permite manejar la seguridad (decide que usuario se puede conectar al SQL y cuales no).Muestra que hace el SQL Server, muestra las instrucciones que hace el SQL Server.Utilidad de configuración de clientes de SQL Server: especifica de que manera se tiene que conectar el usuario al SQL Server.Monitor de performance del SQL Server: muestra actividad del SQL Server. Son indicadores de performance.Gráficamente indica que sentencias hay que darle al SQL.Permite mostrar datos del SQL Server en Internet (reporte HTML).Es la ayuda del SQL Server.11-12. Forma de conectividad.Conjunto de funciones ya definidas (resumen para administrar SQL).Permite instalar - desinstalar programas del SQL Server.Arquitectura del SQL MicrosoftMotorServicios prop. delSistema operativoSe encarga de administrar todo lo que es automatización. Ejecuta tareas programadas.Servicio motor de SQL Server. El motor en si mismo.A-B Forman el C (lo que está detrás del corazón). La administración es complicada.C. Facilitan la administración en Back End.04/03/00SQL se puede administrar por si mismo.System Catalogo: es un conjunto de base de datos que son propios de SQL (del sistema), que utiliza el sistema para la administración.Cada base de datos está orientada a una función (tarea) específica.System Catálogo:Master database: (la base de datos maestra) Contiene un conjunto de elementos ej.: ctas. de usuarios. Guarda toda actividad interna del SQL Server.Model Database: es una base de datos modelo. Cada vez que se crea una base de datos copia la base modelo con el nombre que le damos.MSDB: Microsoft Database: contiene todos los elementos para interactuar con el Executive Service. La programación de tareas contiene datos dentro del MSDB.Temp Database: base de datos temporarios. Utilizada por SQL Server, para realizar trabajos temporales. No sirve para almacenar por largo tiempo.Dentro del Master DataBase, Model DataBase, MSDB y Temp DataBase, existen tablas (tablas del sistema). Cada una almacena información específica.Tablas: cada entidad es una tabla (un conjunto de tablas es una base de datos). Sirve para definir en...

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