January 2008
Intermediate to advanced
480 pages
12h 13m
German
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Name
Virtueller Datenzugriff (ODBC/OVF)
Der virtuelle Datenzugriff wird in MapServer über OGR realisiert. Hiermit kann auf Datenbanken ohne räumliche Unterstützung sowie auf einfache Textdateien zugegriffen werden. Die Daten müssen eine x- und eine y-Spalte enthalten. Der Zugriff kann über eine ODBC-Verbindung oder über einen direkten Verweis auf eine Textdatei erfolgen.
Unterstützte Datenbanken
Der virtuelle Datenzugriff über die OGR-Erweiterung wurde mit den folgenden Datenbanken getestet und sollte in der Regel alle ODBC-Datenquellen unterstützen:
Oracle
MySQL
SQL Server
Access
PostgreSQL
Unterstützte Typen von Textdateien
Der virtuelle Datenzugriff wird für das CSV-Format (Trennzeichen: Komma) sowie das TSV-Format (Trennzeichen: Tabulator) und für Dateien ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.