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

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6
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3answers
573 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 ...
0
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1answer
26 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. ...
0
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1answer
479 views

SQL Geometry Query similar to Select by Centroid

Does anyone know if it's possible to query SQL geometry by something like 'centroid of polygon'...similar to ArcMap's select by location? I'm using SQL Server 2008 R2 as the DBMS. I have two polygon ...
0
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0answers
13 views

Auditing a Table's Changes Using Oracle and SQL Developer [on hold]

I need to create a table that audits the changes to a table which only has 2 columns (name and system) I need to keep track of transaction date, user performing the transaction, transaction type, ...
1
vote
1answer
432 views

How to create a search box and SQL statement for searching an attribute field?

How can I add a HTML search bar that the user can use to search an attribute field for a polygon layer, and then tie that input into the SQL statement? So far I am able to hard code the query of ...
1
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1answer
334 views

How do you create a CartoDB viz with a dynamic SQL statement?

I want to create a CartoDB viz where the where parameter in my SQL statement changes dynamically at runtime. When I share my CartoDB viz from the dashboard, I can't help but notice the the SQL ...
1
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1answer
231 views

SQL-query should return GeoJSON FeatureCollection

I'm trying to return a GeoJSON FeatureCollection object from a SQL-query with PostgreSQL 9.3 and PostGIS 2.1. This is my query so far: SELECT row_to_json(fc) AS p FROM (SELECT 'FeatureCollection' ...
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2answers
177 views

adding geometries to a source, target table for multiple rows in pgrouting

I am having an issue trying to perform the pgr_dijkstra algorithm and getting back a line in my table for multiple rows. I have a table that has a columns of source, target node id's but I cannot ...
0
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2answers
93 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. ...
0
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1answer
33 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 ...
4
votes
2answers
289 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 ...
1
vote
1answer
51 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 ...
0
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0answers
19 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 ...
1
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2answers
27 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' ...
2
votes
1answer
396 views

SQL Server UNion of geography feature returns FULLGLOBE result?

I have some trouble with sql server 2012. I store coordinates of french cities in my database as geography object (with ESRI 4326) and i want to make the UNION of some cities. I have in result ...
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2answers
107 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 ...
0
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1answer
28 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 ...
1
vote
1answer
293 views

Using sql SELECT DISTINCT in Fusion Tables API

How do I go about using sql SELECT DISTINCT in fusion tables API?
2
votes
1answer
161 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. ...
2
votes
2answers
364 views

Selection subquery using another table in database ArcGIS

I need to 'extract' a list of variables based on the IDs from another table. Using a subquery seems to be the best method. I have a large list of variables and have outside calculated a second list. ...
2
votes
2answers
211 views

Finding Polygons which do not touch any other polygon in a single oracle database table

I currently have an oracle table of approximately 100,000 records - all of which are polygons. I want to find all the polygons which do not touch any other polygon within the same table. There are a ...
1
vote
1answer
23 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 ...
1
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1answer
23 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 ...
0
votes
1answer
36 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
29 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 ...
0
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1answer
25 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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0answers
36 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 ...
5
votes
2answers
86 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 ...
0
votes
1answer
40 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 ...
3
votes
4answers
12k 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 ...
0
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2answers
41 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 ...
0
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0answers
39 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';" ...
1
vote
1answer
724 views

ArcMap “One or more layers failed to draw: An invalid SQL statement was used”

I created a model involving the tool Make XY Event Layer because I want to plot latitude and longitude points in CSV file columns. The model runs without errors and appears to have plotted the points ...
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1answer
336 views

How to import .csv file to CartoDB using SQL?

How to import .csv file to CartoDB using SQL, the data given below : POINT | TOP_dm | BOTTOM_dm | X_RD | Y_RD 35AP7600 | 4418 | 4368 | 262053 | 467223 35AP7601 | ...
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vote
1answer
58 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 ...
0
votes
1answer
174 views

CartoDB layer selector - selecting data from 2 layers

I used the CartoDB layer selector example (http://cartodb.github.io/cartodb.js/examples/layer_selector.html) with my data. Works fine. Now, what I really want to do is to select data from 2 layers at ...
1
vote
0answers
16 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
votes
0answers
33 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, ...
0
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0answers
12 views

Using If /then statements in SQL server computed column specification [migrated]

I have two fields in a SQL Server database called "Species" and "Species _other" that stem from a front end data collection software dropdown values. I am trying to use a computed column using an ...
0
votes
1answer
32 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 ...
1
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1answer
30 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 ...
1
vote
1answer
37 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, ...
1
vote
1answer
32 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 ...
0
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0answers
28 views

Get next point horizontally and vertically

I am working on a map application. We have to draw polygons for different sections. Each section is either a square or a rectangle. Data that I have has less than 4 coordinate points, insufficient to ...
4
votes
2answers
168 views

ArcGIS Model isn't accepting my SQL Query

I'm running a model that breaks a dataset into several dbf tables based on a query. However, only half of the query is being honored. The PopDenZone field is not being accepted and I am getting other ...
3
votes
1answer
57 views

ST_MakeLine within CartoDB.js

I'm building an interactive map using CartoDB.js in an HTML page. I have the user input an address that gets geocoded. I then use the user's lat/lon coordinates to perform SQL queries on CartoDB. The ...
0
votes
2answers
54 views

Feature class SQL Query combining ANDs and ORs

I want to create a query that returns any combination of specific values of two different attributes. I have a feature class that has first field with values A through E and a second one that goes ...
0
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0answers
27 views

GDAL/OGR C++: How to connect to SQL

Using GDAL 1.11 it is possible to execute SQL commands against a OGRDataSource: But how do I connect the OGRDataSource to a SQL Database? In my case an Oracle XE 11g. I suppose the OCI drivers have to ...
3
votes
1answer
82 views

SQL Query in arcmap

I have a BUILDING.SHP and in the attribute table, it has several names and some of the attributes are "STOR" and "MULTIPLE-STOREY CAR PARK" like image below. In my map, I don't want label the ...
4
votes
3answers
5k views

Creating join based on multiple fields using ArcGIS Desktop?

I have two feature classes in a File Geodatabase that I would like to join based on multiple fields. I've searched this site and Google and all I have come up with was to use the Make Query Table ...