Acronym for Structured Query Language. A syntax for retrieving and manipulating data from a relational database.

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SQL fails in python. In ArcMap error FDO error: -2147024871 returned

I'm having issues with an SQL expression for a feature class in a file geodatabase. When working in ArcMap, the SQL will fail on its first attempt, and produce the following error: However, when I ...
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1answer
318 views

Using sql SELECT DISTINCT in Fusion Tables API

How do I go about using sql SELECT DISTINCT in fusion tables API?
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1answer
53 views

SQL and ArcGIS data querying: what's the difference?

I am wondering if the language used by ArcGIS for data querying (e.g., search by attribute) is part of the SQL language, or to what extent there is a connection between the two (and where does it come ...
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40 views

Densifying OpenStreetMap (OSM) network nodes?

I am working with osmconverter to convert osm files(*.osm) to *.pbf, then i use osm2po to get sql file that run into PostGis to get a network table. The last step is to run a createTopology ...
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1answer
69 views

MapInfo SQL: Selecting all columns from one table, some cols from second table?

I'm fairly adept with the SQL Select in MapInfo, but I'm running into something that's got me a bit stumped. I've got data in two tables that have a few columns in common. I want to join the tables ...
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1answer
249 views

Can't select geometry from Oracle DB using SQL

I'm trying to select the geometry field from an ArcSDE feature class in an Oracle 11g database (inside of a Python script via PyODBC). This is my query: SELECT SHAPE FROM USR.FEAT_CLASS This is ...
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11 views

Obtain minor distance given am array of points

I have built a query to obtain the minor distance given a point. SELECT name, city, region, Distance(GeometryFromText('POINT(-56.237076563852 ...
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1answer
66 views

Reference Selection in SQL query (where clause)

I keep raising errors with my where_clause in the 9th line of this script. FID is an Object ID field and I want the cursor to select whatever row it is currently pointing at. I don't know how to do ...
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1answer
33 views

SQL Server Geography Query works but Geometry Query Does Not - Different Tables, Similar Schemas

I am trying to get a Geometry query to work. A similar Geography query works fine but I must work with a table that uses a Geometry type. Although the Geography version returns lots of records as ...
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2answers
52 views

SQL query new feature with loop

I'm trying to create an individual buffer feature class for each column of an input feature class, where there is a field that contains the buffer distance. I think there is a problem with my SQL ...
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1answer
70 views

What's the correct syntax for Execute SQL in Processing QGIS 2.6?

I made a small model with Processing in QGIS 2.6. The final layer should be the result of a SQL query. Now, in the Execute SQL dialog window I can add the query: select name, max(ele) as ele, geom ...
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1answer
75 views

arcpy; Select by attribute with an If, then statement

I am looking for some advice on how to construct an if, then statement based on a select by attribute SQL query or some other method (search cursor?). I am asking users to input a unique ID ...
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1answer
59 views

Updating Oracle Spatial geometry column using SQL?

I am trying to update a table B geom column with the coordinates from table A. Table A having coordinates in two separate columns x and y. Table B to have the coordinates from Table A into Table B's ...
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1answer
49 views

ArcSDE - spatial index grid size for empty table

I'm trying to write the SQL to create a feature class and spatial index in an Oracle SDE geodatabase using ST_Geometry. This is how I'm making the table: CREATE TABLE STREETS (ID NUMBER(11) NOT NULL ...
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5answers
4k views

PostGIS: Select features that do NOT intersect

This seems to me like such a simple question (and it probably is) yet I cannot seem to find an example that gives me the answer. Using PostGIS, I just want to select points that fall outside of ...
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1answer
34 views

Query Sql Error

I want to join these 5 tables with MapBasic, because i want to use in statistic : Select * From Malade, Maladie, Ilot, Etat_Ilot, Pauvreté Where Malade.Maladie = Maladie.ID_maladie ...
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1answer
140 views

Model Builder Query by date

I've created a model that does several spatial joins based off of a lat/long in a table. In the table, I have a "Modified_date" which gives year, month, date, time. This model is set to run ...
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1answer
30 views

storing metadata of various services according to ISO 19119

I need to store the metadata of web services according to ISO 19119 standard.Hence I am looking for some guidelines for designing the database for storage.Can any one suggest any document to help in ...
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3answers
91 views

How to use the SQL in select by attribute to select the entries for each values in certain field?

I am trying to use select by attribute for the table in ArcGIS, which is similar to the following picture (lets say): I want to select those entries for each A and B, which have maximum count. I ...
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0answers
53 views

Geo spatial extensions in MariaDB vs MySQL

MariaDB is interchangeable with MySQL, but are there any differences in terms of each respective GIS features? Switching from one to the other is still a drop-in replacement with geo data types or ...
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0answers
66 views

Visualizing variability in the size and shape of polygons

I am working with a data set of area restrictions imposed by criminal courts. These restrictions ban a person from entering a demarcated area. These restrictions vary in their size, shape, and ...
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3answers
635 views

How to Comment Out Definition Queries

I use Definition Queries a lot in my daily GIS life, but one of the many things I've found annoying about ArcMap is the inability to comment out Definition Queries. I'd like to have this option as ...
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1answer
35 views

How to connect SQL SSMS to ArcGIS file geodatabase

I've found this reference article talking about how to query a file geodatabase using SQL. ...
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2answers
140 views

Dynamic connection between Mapinfo and a database

I'm trying to create a dynamic connection between a database and a Mapinfo table. My database countain only one table, with a list of bus stops, characterized with their ID, name, and X Y coordinates. ...
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1answer
64 views

select by location point in polygon with sql query

I have 2 tables table a this one a polygon layer with 10000 records table b this one a point layer with 600000 records in postgresql geodatabase i select a polygon feature with the query by input ...
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2answers
294 views

Which Geodatabase supports SQL and is easily portable?

I want to choose the geodatabase type, which could be: permits direct sql queries. easily portable, because the app would installed in one computer. I know that the personal geodatabase is a good ...
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1answer
141 views

PostgreSQL: insert from multiple select?

Is it possible in PostgreSQL to insert field values into a table using multiple selects from various other tables? Something like the following SQL (I have over simplified my original problem). I ...
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26 views

Get table of adjacent polygons

I am using the cb_2013_us_zcta510_500k shapefile to push zipcode polygons. I have the shapefile, and a SQL Server table loaded where the polygon is loaded in the GEOG data type. What I need is to ...
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2answers
59 views

How to use STUnion with GroupBy

I'm using SQL Server 2008 R2 to store Geometry data types. I have a bunch of lines as individual features, that share common names ('NAME' field). I would like to create a view that Groups By 'NAME' ...
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2answers
118 views

Adding Nodes to Linestrings at Overlapping Points with Polygon Layer in Spatialite

I have two Spatialite tables. A table called 'lines' which contains a PK column called OGC_FID and a LINESTRING column called GEOM. A table called polys which contains a PK column called OGC_FID and ...
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1answer
48 views

Spatial join points and polygons in PostGIS

I have two spatial data sets in PostGIS tables: polygon grid (table: grid_jakarta) points (table:tweets) For each point in 'tweets', I want to retrieve the reelvant attribute 'gridID' from the ...
2
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1answer
179 views

Trying to use SQL API from Oracle PL/SQL to CartoDB

I am trying to make an http call from within an Oracle server to CartoDB. To do so I have developed a custom PL/SQL package that will generate the SQL and make the calls. A sample API call is below. ...
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1answer
38 views

Updating cells in Excel using FME SQLExecutor

In version 2013 FME reads and writes Excel worksheets with XLS_ADO. I have several working 2013-workbenches, which update individual cells in Excel worksheets using this SQLExecutor and this format ...
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1answer
39 views

QGIS Editing live MSSQL Tables and Updating Fields

I am looking at creating a trigger on a live MS SQL spatial table that will update a field when a user either: 1. Creates a new feature 2. Updates the geometry of a feature. Unfortunately I have only ...
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1answer
41 views

SQL query giving error in pgrouting?

SQL error: ERROR: function point(numeric) does not exist LINE 4: (ST_GeometryFromText(Point(53.34972 -6.26025)), 4326), 1000) ^ HINT: No function matches the ...
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0answers
30 views

In ArcSDE, SQL Studio Manager 2012, How to get pixel data using a point layer?

I was using 'where' and 'ST_Intersects' with polygon data to get values 'under' my point layer. Example: Select rd.[FORESTNAME] as Forest, Count(Distinct morel.[OBJECTID]) AS Observations From ...
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1answer
81 views

SRID, Shape2SQL and SQL Server 2008r2 query

I'm using Shape2SQL to load the Ordinance Survey's Meridian 2 map into SQL Server 2008r2 (which is working very smoothly and painlessly). According to this page ...
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42 views

Grouping Features by Proximity

I have a layer with 12,000 hotels across the US and I would like to put them into groups of 2 based on proximity. Each hotel would be in only one group with its nearest neighbor optimizing for the ...
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2answers
161 views

Optimizing Geometry.STIntersect Query

I am attempting to move simple Geoprocessing routines from ESRI based processes to SQL Server. My assumption is that it will be far more efficient. For my initial test I am working on an intersection ...
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1answer
61 views

Creating geometry from lat/lon in table using PostGIS?

I have a table with over 800,000 records including a lat and long column. The data source did not create geometries, so I was looking around how to do this. I know there's ST_MakePoint(x,y,SRID) but ...
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4answers
14k views

Using String Functions (LEFT, RIGHT, MID) in Select By Attributes against a File Geodatabase using ArcMap 10

I finally (albeit reluctantly) made the switch from a personal geodatabase (pGDB) to a file geodatabse (fGDB) not too long ago. The main reason it took so long to switch has to do with how Select by ...
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2answers
57 views

Using SQL query with ArcPy?

I'm creating a tool that when you type in the city name it will select the city, zoom in and label it. I have the zoom and label working but can't figure out the SQL Query needed to select the city I ...
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0answers
48 views

Perfom SQL queries in Python and process the result

I query column names from a PostGIS table with following Python code: colnames = [] sql_getcolumns = "select column_name from information_schema.columns where table_name='shp2py';" ...
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1answer
78 views

Speeding Up pgr_dijkstra using bounding box in PostGis2.0

I'm using PostGIS for the first time to calculate distances between two points, for a driving school booking system I am working on. I have loaded in all of the maps for Australia, but the query I ...
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0answers
36 views

set Default projection in postgis table

I've set the SRID 4326 for a table having geometry column, but when i insert a geometry without SRID, i get an error because no SRID specified is interpreted as -1 or 0, so how i can set a default ...
2
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0answers
42 views

ST_Buffer with segment AND endcap parameters

Making a QGis plugin that buffers a line and I want to declare a high number of segments and a flat endcap. ST_Buffer(geom, 40, 25, 'endcap=flat') This doesn't work with both parameters entered, ...
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1answer
38 views

QGIS add layer not working

I have QGIS 2.8. I open up the database manager, connect to PostGIS, and then execute a query. The resulting query has an id column, a name column, a geom column, and a membership column. I click on ...
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1answer
32 views

Does CartoDB support the SQL MERGE command?

I am developing a mechanism that uploads records to cartodb - first by importing the records to a new table, and then insert the records from the new table to an existing table. The problem is that ...
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1answer
57 views

SQLite db with FDO geometries: how to assign ID of point in layer A to closest point in Layer B with SpatiaLite?

How can I assign ID of point in layer A to closest point in Layer B with SpatiaLite (find nearest neighbors for each point in A)? For each point stored in table fdo_fc1 I would like to select one, ...
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1answer
41 views

POSTGIS query - extracting common point from polygon data

I have a polygon dataset and need to find the single common point where 3 polygons meet. I'm approaching this by creating duplicate tables and comparing them to the main one (polygon_table a). I've ...