Questions tagged [database]

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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45 views

ArcGIS attribute tables exploitation

I have kind of the same question as "greyline" : How to implement 3NF (third normal form) in ArcGIS attribute tables? I need, among other things, to place foreign key in my tables to combine them and ...
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1answer
347 views

Can't insert a value into the table. PyQGIS 3.0. Postgresql [closed]

Can't insert a value into the table. PyQGIS 3.0 import psycopg2 conn = psycopg2.connect(dbname='postgres', user='postgres', password='1', host='localhost') cursor = conn.cursor() cursor.execute(""" ...
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0answers
45 views

Connecting to Azure PostgreSQL using domain user account through QGIS

We are using QGIS over the top of an Azure PostgreSQL database. We have it working using SQL user / password combination but security policy dictates this should be a domain user authenticated ...
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2answers
54 views

What is the proper convention for storing rasters in PostgreSQL database?

Just starting to implement PostgreSQL at work and want to make sure I'm building something that will be efficient down the road. Let's say I have a raster of surface temperature for every hour of ...
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1answer
288 views

Appending columns from a table to my active table?

I am trying to append three columns from srs2016 to srs2013_1 using this sql. INSERT INTO srs2013_1 (the_geom, agency_responsible, description) SELECT the_geom, agency_responsible, ...
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1answer
270 views

Exporting data to a text file using a template

I've build a toolbox in my project environment to plan "Aids to Navigation". The vessel (ship) that does the actual work in the field has a navigation computer that can only import waypoint. These ...
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2answers
402 views

Geoserver+postgis: how to complete creating database via REST API?

I'm using geoserver 2.13.1 with postgres 9.5 and postgis 2.4.2. I am trying to use REST api to create workspace (works) and in it a datastore of postgis type. I have already prepared a template ...
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0answers
40 views

Extending OSM database with new data

I want to add a new table inside my OSM database with extra data for every restaurant, and then when retrieving the places join the table by the "osm_id", is this possible and if yes, any ...
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0answers
22 views

Load vector layer directly from mongodb with PyQGIS

I want to load my vector layer directly from a MongoDB database using Python in QGIS. I found code here but it dumps the layer before loading it. Here is the code I found: client = MongoClient() ...
3
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1answer
2k views

Filemaker interface with QGIS

I have created a map of features on an archaeological site. The artifact inventory is in FileMaker Pro 12. Rather than creating a CSV file and using that as the attribute table, I would rather, if ...
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1answer
66 views

Can I store raster data in a spatialite database (in QGIS)?

This might be a super simple question, but I'm a little confused. I don't know what the best way is to share qgis-projects that have raster-data, vector-data and some applied styling. I figured a ...
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1answer
33 views

QGIS MySQL points import

I have a column in my MySQL database table that contains location information (GeoJSON). I want to import this data and see the points on my QGIS project map but it doesn't seem to work. What I was ...
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0answers
27 views

Mongo geoWithin problems reading from collection

I have a data set with geo points. { _id ...other fields... location: { type: "Point", coordinates: [0,0]}} What I have been attempting to do is filter out and delete any documents that ...
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1answer
48 views

Access SpatiaLite connections with PyQGIS QgsProviderMetadata (QGIS 3.10.7 LTR)

I would like to list spatialite connections and access a specific connectionwith PyQGIS. For postgres provider it's pretty straightforward: >>> QgsProviderRegistry.instance().providerMetadata(...
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1answer
30 views

QGIS 2.18.13 Points at intersections have More Information with the ID than what is in the database fields?

Created Point Feature Class at all street intersections. When looking at the database fields I only get two fields yet when i use the Info tool I get several paragraphs of information including the ...
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0answers
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How to save each band in a new row with it's name, in PostGIS?

I have used PostGIS's raster2pgsql to import my multi-band raster data into my PostGIS database. Here is the code that can do this operation: raster2pgsql -I -C -e -Y -F /home/jj_user/input.tif ...
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3answers
545 views

ArcCatalog database connection showing blank tables

I received info to connect to a database (without a spatial component) that has tables I need for a project I'm working on. Problem is once I establish the connection in ArcCatalog I can see all of ...
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0answers
17 views

Existing standard country codes explicit in time and space

There are several comprehensive systems for coding countries such as ISO, TLD, M49. I am looking for a system that is explicit about the time period that the code refers to. My application is a ...
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1answer
661 views

PyQGIS - Adding layer from PostGis database [duplicate]

I want to add new layer from PostGIS database but this code isn't working... Can someone help me? uri = QgsDataSourceURI() uri.setConnection("IP address", "5432", "ruian", "user", "pass", ...
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0answers
41 views

Do I need a database for generating WFS-T with QGIS-Server?

I have hard difficulties in understanding: I have a QGIS-Project (in QGIS) and I want to create a WFS-T by using QGIS-Server (and the QGIS-Server I have is connected with e.g. Windows-Server). Is the ...
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0answers
35 views

Request Error QGIS Server 3.12.3

When I request http://10.48.242.187/cgi-bin/qgis_mapserv.fcgi?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetCapabilities&MAP=/var/www/html/S5/qgis/Erhaltungsprogramm.qgz I get always an error ...
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2answers
61 views

PostgreSQL database designer that supports PostGIS geometry data types

Does anyone know if there are PostgreSQL database modeling software or apps that support PostGIS geometry data types? I know pgModeler is supposed to but I have been unable to get this installed.
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5answers
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How to display special German characters “ÄÜÖß” in a map?

I have a shapefile with names for Regions. These don't seem to contain special characters "Ä", "Ü", "Ö", "ß" but ugly hieroglyphs. What can I do to display them correctly. If I import the shape as ...
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0answers
18 views

Spatial SQLite created with ArcMap

I created a spatial SQLite database using ArcMap and I'm trying include a new point in my table (tbl_furos_coordenadas), by SQL, but I'm not having success with this... My table created below: CREATE ...
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0answers
24 views

OBDC Error While Exectuing the Query #7 - Importing PostgreSQL table into MS Access

Trying to import a table from PostgreSQL to MS Access (2007) however, I keep getting the error OBDC Call Failed - Error While Executing the Query #7 STEPS TAKEN In OBDC Data Source Admin (32-bit)...
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1answer
342 views

psql changing comma to decimal for importing CSV file

I try to import a CSV file into a PostgreSQL database that runs on a remote server. I use psql via SSH. AIS_DB=# CREATE TABLE bet_srk_2008 ( AIS_DB(# Unique_VesselTraject numeric, AIS_DB(# ...
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0answers
36 views

Connect a Python script to a database

I need to run a script tool from ArcCatalog. It needs to access a feature class in an ArcSDE database so I can link the script to the layer as a source layer. I have connected the folder the script's ...
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0answers
152 views

Many to many relationship in a QGIS Geopackage - fail

The current user manual has been unsuccessful in directing me to establish a many to many db relationship in a geopackage in QGIS (3.10.2 on Ubuntu w gdal 2x). After the airlines in the manual ...
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1answer
77 views

Transfer & maintain a relational database in QGIS - backend vs frontend [closed]

I'm going to set up a small db for my own use in QGIS. I can see only a few of the many tables will be spatial, but the ease of use and capacity of the widgets in QGIS are attractive. I won't writing (...
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0answers
84 views

Spatial similarity between polygons

I am using PostGIS and python3. I have a table with polygons objects, the polygons have year as an attribute. I need to identify the uniqueness of the polygons trough time. For instance I need to ...
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0answers
34 views

Tenant isolation in SaaS product based on PostGIS - do the same concepts as PostgreSQL apply?

We're working on two different GIS apps and we're a bit torn around how to provide a level of tenant data isolation on our GIS systems. System A would need to have strong tenant data isolation where ...
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0answers
14 views

Database Population in wrong Authentication Type

I've populated a database while connected to it as an editor with an Operating System Authentication Type. I should have populated it while connected to the Database as the GIS administrator with a ...
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1answer
349 views

How to find closest point on a line from a point in Oracle Spatial?

I want to find the nearest point on a line from a point in Oracle Spatial. I know how to do in SQL Server and PostgreSQL but could not find anything about Oracle. I have used MDSYS.sdo_nn to find the ...
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2answers
57 views

QGIS style to DB

I want to import the style from a MapInfo.tab file into a postgis db. When I open the properties for the file and click on the botton style I only have the option save as QGIS QML style file or SLD ...
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0answers
53 views

Select characters using regular expression in QGIS

I'm trying to seperate characters from database to seperate fields. Database is like: 999-10-1-1 999-10-11-111 999-10-111-1111 999-10-22-1 999-10-1111-2221 and I want something like in seperate ...
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1answer
66 views

QGIS - Execute SQL Failure

I've written an SQL query which works in the query section of the QGIS DB Manager. SELECT Max(S_order), SegmentID, S_Order, Length, Buff_Segme, Buff_Order, Buff_Lengt, Buff_Uniqu FROM "...
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1answer
105 views

Practices with database in QGIS [closed]

I would like to store some specifics data (customer information, etc.) into my QGIS project. The aim is to be able to automaticly use these data later when I make some exports. Some of these data are ...
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1answer
873 views

Connect ArcGIS 10.6 to Oracle 12c Enterprise Edition

I want to connect ArcGIS 10.6 to an Oracle 12c Enterprise Edition. However, I found different informations on the Esri websites on how to do so. I followed this website (http://desktop.arcgis.com/...
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0answers
98 views

postgisQueryBuilder in QGIS can't connect to PostgreSQL DB - QPSQL driver not loaded

PostgreSQL is installed properly and I can work with my DB very well. My databases show up as connected inside the QGIS browser window. I think the appropriate packages are installed: # rpm -qa post* ...
3
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1answer
42 views

Windows QGIS PostGIS connection to Ubuntu PostgreSQL database

I have QGIS software in my Windows system and I want to make PostGIS connection to a database present in Ubuntu system, both are in same network(LAN). How can I do that?
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0answers
65 views

osm2pgsql: does table planet_osm_roads contain any non-duplicate data?

Although there is a osm wiki page that attempts to shed light on the different tables which are created within a postgres/postgis database there is something that is not quite made clear: Is the data ...
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0answers
24 views

n:m relations of lines including directions

For trail planning and route signalization projects, I am looking for a solutions which allows me to connect "physical" trail segments (available as .gdb from authorities) with overlaying routes, ...
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1answer
1k views

Using QField with Multi-User Access also Offline?

I got 10-20 QGIS-Users which edit all one Project online and offline. Sometimes they do it at the same time. Until now we only used QGisDesktop with a PostGis Database stored in QGIS Cloud(50MB ...
1
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1answer
43 views

Making one to many to many Attribute Relationships

I am making relationship between three tables in QGIS 3.8 version ("ACTIVE SITE","FUEL_TANK","REFUEL"). The primary key and the foreign key for the Tables are as follow the primary keys are "ACTIVE ...
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1answer
313 views

Understanding NOAA/GFS0P25 dataset of Google Earth Engine

I'm trying to get time-series data from NOAA/GFS0P25 data set on GEE. My code: var m2 = "NOAA/GFS0P25" var band1 = 'total_precipitation_surface' var data_collection = ee.ImageCollection(m2); var ...
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3answers
296 views

Finding the “square” bounding boxes of a country

I want to find the square bounding boxes that cover a country, of different sizes. First off, I know that they won't really be square, but just going by the numbers they can be said to be. The main ...
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1answer
252 views

Create different Server Database Connection file for ArcGIS Server

I would like to register database with ArcGIS Server. I know it is done through ArcGIS Server Manager under Site / Data Stores / Register: Database. I am also aware there can be different connection ...
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0answers
183 views

Connecting QGIS 3.4 to a MS Access database

I try to connect to MS Access and i have already created an ODBC connection. Now, I have the the problem that I cannot open the database in QGIS (but the connection was succesful).
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8answers
13k views

Comprehensive database of all cities/towns in South Africa?

The title says it all really - I'm looking for a comprehensive list/database of all cities/towns in South Africa. I know about these guys: http://www.afrigis.co.za/, but they're just not getting back ...
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0answers
61 views

Import multiple PostGIS layers in QGIS map canvas via QTask QGIS 3

The vertex tool in red and the geometry displayed by the layer in yellow are not in sync from time import sleep from qgis.PyQt.QtSql import QSqlQuery, QSqlDatabase serverName = 'hostname' database = '...

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