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

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120 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 ...
2
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1answer
42 views

SQL query to have a complete geojson feature from PostGIS

I would like to get a geojson feature with properties from PostGIS. I have found an example to have a feature collection but I can't make it works for just a feature. so far I tryed to modify the ...
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1answer
11 views

geoserver fails to start with jdbcconfig community module

I have installed the geoserver JDBC config community module, but now geoserver fails to start. I have set the properties to connect to an oracle database like this: #Default GeoServer JDBC config ...
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1answer
152 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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2answers
53 views

Buffer multiple roads to find points within and compare?

What I am trying to do is buffer a main st and a side street and get all of the points that intersect that buffer, however they need to be mutually exclusive. In the example below, my results would ...
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1answer
49 views

Query to find all lines connected to other

I have problem with one spatial (Oracle) query. Simplified overview of the problem is: I have two tables: CREATE TABLE thin_lines ( id NUMBER PRIMARY KEY, geom SDO_GEOMETRY), color ...
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0answers
41 views

Making Map with Color Ramp Using SQL Database Intergration?

This could be a trivial question, but I've been kind of stuck on it for awhile. I'm trying to construct multiple maps that reflect aggregated data showing overall risk by county in a SQL Database ...
2
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1answer
294 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
83 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 ...
2
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1answer
43 views

Spatial joining syntax

A standard PostGIS point-in-polygon query might look like this. (example tutorial) SELECT p.*,b.polyname FROM points p, shapes s WHERE ST_Within(p.the_geom,s.the_geom) Imagine this was not a ...
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2answers
145 views

Selecting maximum Value based on other field using ArcMap?

I have problems with a SQL query. The table looks like this, it is a point feature class both in postgres and file geodatabase, I am working in ArcMap. name: elev_p HEIGHT AREAid 100 1 200 1 ...
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1answer
32 views

Geoserver SQL Parameter View

I'm trying to use Geoserver Parameter SQL views, but I'm having trouble getting geoserver to recognize the parameters (and I'm not able to follow the documentation - it's not very clear to me). Here's ...
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2answers
340 views

Function for Selecting Points in a Polygon

I've been banging on this for a few hours, but since I'm relatively new to PostgreSQL and PostGIS, I can't find the solution. I'm trying to create a stored procedure (function) which will return all ...
2
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2answers
35 views

PostGIS SQL NOT EXISTS Statements? [closed]

I'm trying to query my PostGIS database for ID of people who did X but did not do Y. I've attempted the query below, but it does not return any results. I'm very new to SQL so I may be overlooking ...
2
votes
1answer
59 views

Error at or near “select” PostGIS

I'm using node.js to connect to a PostGIS database to check if an input feature significantly intersects with an existing feature. The error seems to be with the nested SELECT statement - can anyone ...
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1answer
46 views

How to select random adjacent census tract

I have set of census tracts spaced out across a city and I would like to randomly choose an adjacent census tract to explore nearby demographic data. I'm not sure if there is an easy process for ...
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1answer
234 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 ...
2
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1answer
45 views

How to find a nearest line to a point

I have a table with many points that need to be associated with street segments to calculate an average value. should I do a relationship for all points to a street segment that is closest. I have ...
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0answers
20 views

How to query the data using SQL in the infowindow of CartoDB

I want to use a SQL join to merge data from 2 tables and display it in the info-window. When I give my query Select table_2.hos_name,table_2.revenue from table_1,table_2 where table_1.area_name = ...
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2answers
27 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. ...
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0answers
26 views

Showing Linestring from SQL statement with CartoDB

I have cartodb sql statement to return what polygons are intersected by a linestring, but I'd like to have the linestring visualized over the polygons on the results. Also not add the linestring to ...
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0answers
15 views

Creating weighted list using Select tool in ModelBuilder?

I've done a raster to point conversion and have a column of the grid codes. Let's say it is composed of 10 numbers [9,5,7,1,7,3,7,2,8,1]. Right now I am doing a selection on those numbers based on ...
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2answers
48 views

Using MAX in SQL Expression of ArcGIS ModelBuilder?

I am trying to use a SQL expression in order to select values that are >= 25% of its max value in that column. For instance, VALUE >= MAX(VALUE)*0.25, and those will ultimately be the selected ...
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1answer
36 views

Alternative to Copy Features in ModelBuilder to display a result [closed]

I have created a model that takes in a raster, converts it to a point shapefile, then extracts a set of points based on location, then further selects a set of points based on a SQL expression. I ...
3
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0answers
34 views

How to export data from sql server into shapefile in the decimal format in QGIS 2.4?

The last couple of days, I have been working on exporting data from SQL to a shapefile in QGIS 2.4. While converting into a shapefile, the data type changes automatically from Float to Integer in the ...
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1answer
57 views

Controlling page count increment of Data Driven Pages using ArcPy?

I was wondering if there is a way to add coding to Data Driven Pages with python. I would like to be able to take the "Data Driven Page with Count" and increment the count by one or in some cases ...
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0answers
28 views

How can I make PROC GMAP (SAS) run is less time?

I am trying to create a map of Australia, by Local Government Area (LGA), with shaded regions displaying the population for each LGA. The shape file can be downloaded from the Australian Bureau of ...
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1answer
96 views

Select By Attribute: Between Two Numbers [closed]

I am trying to select house numbers that are between 200 and 499. I've been using: "HOUSE_" >= '200' AND "HOUSE_" <= '499' ... and it's coming up with almost everything else. The numbers it ...
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0answers
27 views

How to export data from sql database in the decimal format in QGIS?

Currently I am working with QGIS and fetching data from SQL server and export it in the format of shapefile in QGIS. While importing the data from sql server attribute table showing data with ...
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1answer
121 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 ...
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0answers
44 views

PostGIS Spatial query taking a very long time

I'm trying to return a count of crimes (points) that occur in each police grid (polygons), as well as the geometry data, but the query takes ~22 seconds. This seems oddly high and will be problematic ...
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1answer
31 views

CartoDB/SQL Console?

Lacking much programming experience, I've spent a lot of time familiarizing myself with HTML, CSS, and SQL over the past couple of days so that I could make a layer selector for a CartoDB ...
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9 views

Hindi character support in MS SQL 2012

I have spatial MS SQL 2012 and i need to store hindi characters in a column. I tried using nvarchar datatype but I'm getting only "Question marks(????)". Is it possible to store non-english ...
1
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1answer
29 views

Remove inner polygons postgis

I'm trying to remove inner polygons with postgis. I've created a routine, that resumes in: From a polygon table, with a unique id: -Create a linestring table from polygon -Import to postgis -Get the ...
4
votes
1answer
132 views

How to use %value% (from For iterator) in SQL expression of Calculate Field in ModelBuilder?

I have a shapefile with data of fish specimens and the coordinates where they were tagged for research purposes. One of the fields in the attribute table of these shapefiles is the fish length in ...
3
votes
1answer
240 views

Python SQL connection causes crash in ArcMap

I have the following code which I have striped down to just included the part that is causing a crash in ArcMap. import pymssql # Connect to the Research db using Windows Integrated Authentication. ...
3
votes
2answers
3k views

ArcGIS - Create a join based on multiple fields

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 ...
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0answers
22 views

Neighbours list extracted out of polygon regions

I've got a SQL database which contains some coded polygon structures. Those can be extracted as follows poly <- data.frame(sqldf("SELECT ST_astext(geometry) FROM table")) The data.frame 'poly' ...
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1answer
29 views

Setting the Geometry with sql query

I am trying to merge data from a U.S. states shapefile with data on each state. I used this SQL query which is supposed to work: SELECT * FROM child_poverty_by_state UPDATE child_poverty_by_state ...
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1answer
38 views

How do I reformat numbers to only show a certain number of significant digits in CartoDB?

I need to round numbers that are in my table in CartoDB, so that in the Map visualization infowindows I only show results to two decimal digits rather than the long decimals that are currently ...
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0answers
16 views

How to get sql error from postgis when a plugin fail to load vector layer?

I am writing a plugin for qgis that load a sql layer from postgis database. I am disappointed that when the layer fails to load i can't find a way to get the sql error message from database server. ...
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0answers
26 views

connecting cartodb to existing mysql database

I'm trying to create a simple heat map based on longitudinal and latitudinal map coordinates that can be transferred from a database on mysql that I've created. I read that cartodb can be connected to ...
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1answer
48 views

Postgis create polygon extent/convex hull from spatial table

Please help, I have a polygon layer representing building footprints. I want to create new view in postgis that will contain rectangle representing bounding box and also another view that will have ...
5
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3answers
3k views

Bounding box for PostGIS table

Is there an easy way to get the bounding box for an entire table in PostGIS? Thanks
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0answers
11 views

Uisng Directed force graphic to connect terminals in CartoDB?

I am starting using SQL for my internship, we are creating a map for terminals (points representating a port, train station or logistic centre) and what I would like to do is use the Directed force ...
3
votes
1answer
207 views

Triggers for delta tables

I have been facing an issue to capture the delta updates on SDE. We have written triggers on A and D tables to capture the delta updates(to capture the version name based on state id's), however I ...
0
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1answer
27 views

Arcpad 10…using sql with VBScript

I am trying to get a count of related records (Tableform) in order to validate Editform entry (using VBS). Any help getting myCount? I Know there are some syntax issues here, but is this even ...
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2answers
41 views

STCentroid Question

Hi I'm not sure if I should ask in here or another SE site, however I was wondering if anyone knew if it is possible to configure the results from a STCentroid select statement? If I run a select ...
2
votes
1answer
62 views

Query to select MIN and MAX values by groups

In ArcMap 10 i'm working in a Personal Geodatabase where the points (see screenshot below) represent the number of each house in the street. Each point has an ObjectID. This ObjectID is an unique ...
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1answer
54 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' ...