Post List - Exegesis Spatial Data Management

Change Data Tracking for SQL Server

Posted by 19 November 2013

Change Data Capture records INSERTs, UPDATEs, and DELETEs applied to SQL Server tables, and makes a record available of what changed, where, and when. It can be configured for individual tables (and... read more

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How to set up a MapInfo DBMS table from SQL Server without a DSN

Posted by Crispin Flower 14 November 2013 Categories: GIS (general) MapInfo Professional SQL Server

A quick note to say that it is definitely possible to use a SQL Server spatial table in MapInfo Professional without an ODBC DSN. There's not much about this on the web, and the normal methods of... read more

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MapInfo automatic node generation (aka stream digitizing)

Posted by Crispin Flower 04 October 2013 Categories: MapInfo Professional

Originally posted by Timothy Derbyshire. You can press the N key on the keyboard to activate MapInfo's AutoNode function - this means that you can click once to start plotting your line, and then... read more

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Optimising SQL Server spatial indexing - let sql do the work..

Posted by 01 October 2013 Categories: GIS (general) GISquirrel SQL Server

Note – this will take a LONG time to run – quite possibly many hours - on a big dataset as it drops and recreates the index using different parameters – sledgehammer approach, but given the... read more

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SQL Server Manager Studio 2008 bug expanding database list

Posted by Steve Ellwood 27 September 2013 Categories: SQL Server

There is a bug within SSMS 2008 where if you connect to a db server using an account that does not have any rights to some of the database you can get an error when trying to expand the database list ... read more

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ArcGIS MapLink: finding and checking dll registration

Posted by 25 September 2013 Categories: ArcGIS COM MapLink

The ArcGIS extension (XGMapLinkArcGISExtension.dll) is located using COM registration. If you have multiple installations it can be confusing working out which copy you are actually running.... read more

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Presenting GeoServer on port 80 on a Windows IIS Server

Posted by Crispin Flower 25 June 2013 Categories: GeoServer IIS

We run several instances of GeoServer on Windows servers, using the Jetty web server included in the GeoServer for Windows installer. By default this results in a service running on an address like... read more

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Some useful SQL server scripts relating to indexes

Posted by 16 June 2013

To check index use:SELECT OBJECT_NAME(S.[OBJECT_ID]) AS [OBJECT NAME], I.[NAME] AS [INDEX NAME], USER_SEEKS, USER_SCANS, USER_LOOKUPS, USER_UPDATES FROM ... read more

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Invalid column name problem with GeoServer 2.3 and SQL Server views

Posted by Crispin Flower 13 June 2013 Categories: GeoServer SQL Server WMS

I have been getting this error with a WMS layer based on a SQL Server 2008 view, when using a GetFeatureInfo request: java.lang.RuntimeException: java.io.IOException java.io.IOException null... read more

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Looking at PERC Raid controller log files for disk errors

Posted by 13 June 2013

Log files can be obtained from Dells OpenManage interface – see below: This can show up disk errors and RAID errors for disks that have yet themselves to flag themselves as failing. This can cause... read more

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