One or more structured sets of persistent data, managed and stored as a unit and generally associated with software to update and query the data.

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8
votes
3answers
662 views

How to design a bus station query database schema?

We have bus station data, and we want to build an application which will provide the line/multiple line for a given start station and the end station. For example user try to get a bus line ...
1
vote
1answer
64 views

Saving a subset of a database

Here is a complete beginnerĀ“s question, maybe someone has time to help: I just downloaded the Corine land cover sqlite file, the whole database has 5.5 GB and takes forever to open. How can I save a ...
0
votes
2answers
121 views

Do I have to convert a line shapefile to points to store it in another database?

This is the surprisingly the first time I've come across this. If I wanted to export a line shapefile from ArcGIS to another database (say Access) would I first need to convert the vertices to points ...
3
votes
1answer
383 views

Database connection failed

I am trying to connect from Arc Cataloge (version 10.1) to postgresql 9.2. But every time I try to make "Database Connection" I am getting this error: Failed to connect to the specified server. ...
1
vote
2answers
131 views

ArcReader 10.1 trouble (loading and printing is taking very long ime)

We've run into printing problems in ArcReader 10.1. Our trouble is with a particular floodplain feature class located in an SDE database. It simply takes forever to load! Then, when printing, it takes ...
0
votes
0answers
69 views

HTML Popup Database Actions

I'm working on a collection of points on the map, each comes with a bunch of properties. I succeeded using a customized XSL template to show the information when I click on any point. And now what I ...
2
votes
1answer
489 views

WFS & Feature Access -> Database connection / Database support (ArcGIS 10.2)

Over the last two days I've tried to set up and to use a postgreSQL database to use WFS and Feature Access. I've also started a thread in the esri forums, but I hope that I can reach a wider audience ...
2
votes
0answers
52 views

Bounding Box approximation when calculating in euclidic space?

Although I will illustrate my problem using a database, I think this is a quite general GIS question. I hope I came to the right place to ask. I am working with a system that runs on a normal ...
1
vote
1answer
120 views

Importation of .csv on grass gis converts numeric data to string data

When importing a csv file on grass7, the numeric data is converted into a data of type string. My csv looks like this : id_core value 1 F1 83.0611472396 2 F2 98.8584345936 3 F3 ...
3
votes
2answers
159 views

Non-spatial database analysis in ArcGIS - need alternative solution

I've recently joined an organisation where we use ArcGIS to do a lot of non-spatial analysis on a spatial dataset. Our main dataset is an environmental polygon survey with lots of attributes (in an ...
0
votes
0answers
41 views

How can I import layers into a database?

According to the QGIS User Guide (release 1.8.0, page 203/204) I only have to drag a layer from the QGIS Browser to the DB Manager. But for me this does not work.
0
votes
1answer
269 views

How to use a database in Qgis

What is the primary use of database in Q-Gis? How to connect to a database in Qgis?
2
votes
2answers
214 views

Looking for ArcPy tool for calculating statistics on field with summary field AND boolean fields

What I'm searching for is a tool that will sum a field by a secondary unique field AND booleans... Let's say I have 12 table each with 4mil records and the following fields: Donation_Amount ($ ...
0
votes
0answers
86 views

SDE Replication works through ArcMap but not through ArcCatalog

I'm running 10.1 on a 10.0 SDE database. We're trying to replicate our database (one-way parent to child) to a file geodatabase. Ideally I'd like to have this automated using python or .bat files but ...
3
votes
2answers
360 views

How to add data to relationship table in ArcGIS 10.1 database design?

I have created 2 tables HORSE and VENDOR and a relationship table VENDOR_HORSE With the foreign key in Horse being the Primary key in VENDOR (VendorID) and the foreign key in VENDOR being the primary ...
2
votes
0answers
61 views

Raster layer with unique vector for each raster cell?

I have been looking around several hours, even days, but couldn't find a clear answer to my question. I am working on a WebGIS tool that interprets local geology. From more than 70 asc-files, I would ...
3
votes
0answers
28 views

DataB and DataB-copy worked on simultaniously - how merge DataB-copy into DataB

ArcGis 10 - EDITED (sorry for not being more specific, quite new to the arcgis world) We need to enter A LOT of Map data (Sewage system) into a Database in a relatively short time. It involves an ...
1
vote
3answers
189 views

Which data formats can store Bézier curves?

I've heard that ESRI .gdb can. Are there other databases or file formats that can as well?
1
vote
1answer
511 views

Trigger a python script to run after a row is added to the feature class

I have a Python script which runs on a SDE feature class daily (as a scheduled task). I would actually like this script to run whenever a new row is added to the feature class (data is captured in the ...
7
votes
2answers
269 views

Basics about Spatial Indexes

I was asking on a forum if it could be a good idea to create spatial indexes on subsets of a table when your application display on map only those subsets and never the entire table. I was asking ...
4
votes
2answers
2k views

Offline SLIPPY Map (Tiles) Database for Leaflet

How can create an offline cache of a large number of SLIPPY tile (PNG, 256x256) inside a web browser and then display them from that offline cache. For example, can one use HTML5 IndexedDB as an ...
1
vote
1answer
199 views

Are database client files platform specific?

I'm just looking for some clarification on a question that came up with me this morning. Are the DLL client files (libeay32.dll, libiconv-2.dll, libintl-8.dll, libpq.dll, and ssleay32.dll) platform ...
2
votes
1answer
109 views

Collapsing the multi-row output of a one-to-many spatial join to single-row (arcmap 10.1)

I'm working with TIGER data, looking at the relationships among incorporated places and counties. Not all places are completely contained by counties; some do span multiple counties. In the final ...
1
vote
1answer
63 views

How to write unique ID(s) of polygons in layer A intersecting polygons in layer B to field in layer B?

I'm working in ArcGIS 10.1. Suppose that I have two polygon layers, A and B. Polygons in layer B can have one of a few relationships to those in layer A: They may be completely contained by ...
4
votes
1answer
168 views

How to determine correlation between two databases?

I need to perform some tests and verifications on databases and/or datasets. I need for example to analyze two databases and then determine if there is enough correlation between both. My main issue ...
1
vote
1answer
135 views

Check Geodatabase attribute against an external database

I have a Personal Geodatabase to which editors enter values from some field inputs. I would like some of the entries, eg Project No ( whose name is unique and has some some related attributes like ...
1
vote
3answers
394 views

Load information about a feature

I must mention first of all that I am very new to this area... I am developing a GIS application. I created a simple map using geoserver with openlayers, it is all working through apache tomcat - and ...
6
votes
2answers
641 views

GIS Database Migration Project (Oracle to ArcGIS)

I have been tasked with converting an Oracle Database into an ESRI file geodatabase. The data represents a gas network. The client's Oracle database has over 400 tables, 120 of which are spatial. ...
11
votes
1answer
203 views

Naming conventions PostGIS Database

We are starting to build up a database with PostGIS. The database is supposed to be for a team of about 5-8 researches who work frequently with geodata and statistics. Has anybody experience with ...
2
votes
1answer
647 views

What is the proper way to delete an SQL Server database in order to delete an SDE geodatabase?

I'm new to this SDE stuff and would like to know the best way to cleanly delete an SQL Server database in order to delete the SDE geodatabase. Is it as easy as right clicking on the database in SQL ...
3
votes
2answers
256 views

Adding a GIS feature to existing database entry with QGIS

I've built a database with postgreSQL with tables, which include geometry columns. When I add some data to my non-geometry columns, I can see them in QGIS when I connect to my database using postgis. ...
1
vote
0answers
69 views

Allocate places according to distance

I've asked this over on Stack Overflow but thought that someone may have a GI point of view that may help: As an over-simplified example I have a list of events that have a maximum attendance: ...
5
votes
2answers
378 views

Who knows GIS based Customer Relationships Management (CRM) tools?

I'm searching for a tool like something around a "GIS based Customer Relationships Management Tool". The functionality I am looking for is: 1) collect: collecting customer related data in several ...
7
votes
2answers
408 views

How to create something similar to GDB in QGIS?

I used to work with ArcGIS. There I had geodatabases in which I could store several shapefiles with defined layer styles. Is there a way to do something similar with QGIS? The background is: we are ...
0
votes
1answer
85 views

How to detect(condition) if Query Layer Connection is failing?

I have a job (arcpy script) which relies on a query layer but it fails sometimes. It has to do with the query layer connection (the point where job fails randomly)- which is totally under the control ...
4
votes
2answers
547 views

Calculate Field based on field value in a second table

I have a table in a MSSQL Server Enterprise SDE database. I need to join a table from a MS SQLExpress Workgroup SDE database and then calculate 11 fields in the Enterprise table based on values in ...
1
vote
0answers
299 views

Connect QGIS to MSSQL view (i.e. not a table)

I've got a MSSQL view containing data I want to show in QGIS. The view transforms a BLOB field containing WKB that is in one of my tables into a SQL geometry, which QGIS will be able to display. ...
1
vote
0answers
65 views

Creating tables using the coordinates of weighted graph?

Hello All, Kindly let me know how to create tables using the coordinates of a weighted graph ??
8
votes
4answers
514 views

Geolocation database of beaches

Anyone know where or how to obtain a database of worldwide beaches? Required fields are: name latitude longitude coastline aspect (if possible) Alternatively, is there a way to query Google Maps ...
3
votes
2answers
518 views

Can I import a .gml file into Spatialite in QGIS?

I have some Ordnance Survey Address Base data files which have a .gml extension. I have imported them to GGIS as vector layers along with some mapping data but would like to explore them with ...
15
votes
3answers
2k views

Database for offline slippy map tiles

I currently have an offline HTML5 map application (built on Leaflet & KendoUI with custom additions) that has an app manifest and works fine on multiple platforms. However, I am hesitant to use ...
0
votes
1answer
175 views

Column exists in DatabaseMetaData, but does not exist in relation?

I am using JDBC to query a PostgreSQL database. And I want to populate a column called wiki_url based on the value of another column, level which will determine which value of 5 columns to concatenate ...
3
votes
0answers
67 views

Search in Bounding Boxes and Locations

Description of the problem (what I need): I have a set of bounding boxes (maybe the actual data is a location[longitude, latitude] in which case the bounding box will have identical corners). I have ...
5
votes
1answer
955 views

ARCMAP ERROR 000464: Cannot get exclusive schema lock

I am trying to run the "Near" tool in Arcmap. Both my layers involved are on a SDE database. When I run the tool I get the following error... ERROR 000464: Cannot get exclusive schema lock. ...
4
votes
2answers
141 views

Hydrology, operational rainfall-runoff models

I am trying to collect information about operational rainfall-runoff models used around the world. I hope to build database with country outline with attached information what organization is covering ...
1
vote
1answer
308 views

Google maps api, several moving markers using a csv file containing the coordinates

I collected 5 sets of coordinates of moving vehicles and I want to play the scene using googlemaps API showing those 5 vehicles moving. The sets are saved in a postgresql table. is it possible ? if ...
3
votes
1answer
181 views

Geoserver Link to External MS-Access Database

Is there a way that I can link a shape (as a polygon, with a LINK_ID = 12345) from Geoserver and have it open or link to the specific information (LINK_ID_DB = 12345) within an online Web Microsoft ...
1
vote
2answers
663 views

One Polygon Joining to Database with Many matching records

Using ArcMap 10.1. Is this possible to have one polygon and join to a database/excel with many matching records? I would like to have 1 polygon but match to 100 corresponding records in a table. When ...
3
votes
1answer
537 views

Using Google Earth to query database

I've been reading about using Google Earth to query data (this article) and I'm interested in learning how to make one of these. I just have a couple of questions: 1. Is this possible with the free ...
8
votes
3answers
869 views

How to fix “Unable to initialize ODBC connection to DSN for ALC_AV_CO”?

So I am new to the QGIS community, and I have been trying to bring in some rather large access databases with little to no success. I have windows 7, so I've gone in through administrative tools/Data ...