Intro sql

Bases de Datos y SQL Michael Gould Seminario Unigis 21 de Enero 2000

Índice ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

¿Porque las bases de datos? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Papel de BBDD en los SIG ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Papel de BBDD (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Papel de BBDD (3) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Modelos de bases de datos ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Modelo relacional ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Características del modelo ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Características (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Características (3) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

¿Como manipular los datos/tablas? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SQL y el modelo relacional ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Repaso de comandos SQL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ejemplos del sintaxis SQL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mas ejemplos... ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mas ejemplos... SELECT NomAr,AVG(Superf),SUM(Superf) FROM ofarea,relacion,zona WHERE ofarea.IdAr=relacion.IdAr AND relacion.IdOfCD=zona.IdOfCD GROUP BY NomAr;

Relaciones ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Relaciones (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Claves ,[object Object],[object Object],[object Object],[object Object]

Diseño de la Base de Datos ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SQL en el ámbito SIG ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Problemas con SQL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Problemas con SQL (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Problemas con SQL (3) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Solución 1: Pseudo-SQL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Solución 2: “SQL espacial” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ejemplos, Oracle Spatial ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Otro de Oracle Spatial ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BBDD objeto-relacional ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

El futuro de las BBDD ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Gracias por vuestra atención. [email_address] Seminario Unigis 21 de Enero 2000

Intro sql

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Intro sql