Query Builder
The Query Builder allows the user to select records by searching fields for a specified value. Clicking on the Query Builder button brings up a dialog box.
Query layers support the use of spatial joins and relates.
[edit] Sources
ArcGIS Desktop Help - Creating a Query Layer
ArcGIS Desktop Help - Preparing a Query Layer ...
spatial query
[spatial analysis] A statement or logical expression that selects geographic features based on location or spatial relationship.
Animation query, in this presentation, is not intended to replace traditional queries which do not result in visualizations. It is intended to assist in analysis through simplifying data organization needed to support visualizations.
How To Create a Shapefile from a PostgreSQL/PostGIS Query
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For this tutorial, the user must have basic knowledge of Structured Query Language (SQL) and access to a PostgreSQL database with a geometry table.
query See map query.
R
raster A cellular data structure composed of rows and columns for storing images. Groups of cells with the same value represent features. See also grid. RAT See route attribute table.
QueryTask Results to CSV
This app takes the results data from a QueryTask and sends it to a downloadable CSV. It works with both Flash Player 10 and earlier versions.
Query map (select map first)
Query selected raster (only the base map of a draped map will be queried), RGB raster map (all three map channels will be queried), or vector map using the mouse. A map has to be selected before query.
Query and Display
This function supports the posing of specific questions to a geographic database, with the selection criteria usually being geographic in nature.
Query a layer to select a subset of features
Forest thinning operations typically occur early in the life cycle of a forest stand.
Query
Once you have a functioning GIS containing your geographic information, you can begin to ask questions such as:
Where are all the sites suitable for building new houses?
What is the dominant soil type for oak forest?
Query the Volume of your Site Model
Pick your new Site Model using the Object Palette.
Use the Query Objects Tool M-Tool:12b,1 to return statistics about the new solid.
Query - A way of selecting features based on a set of common characteristics. For example, the act of selecting all the buildings that have an area greater than 2000 sq. ft. out of a database.
Posted by Moderator at 10:21 AM ...
Query and Analysis
Once you have a functioning GIS containing your geographic information, you can begin to ask simple questions such as: ...
Query: A logical search specification finding spatial features with linked records that contain matching geographic and/or nongraphic attributes.
Query-based selection sets: Manage persistent and dynamic element groups using advanced multi-parameter SQL queries.
4 Querying the data
The basic function of the GIS with truncated functionality is the widest possibility of querying. The different combinations of attributive and spatial queries are well-known and do not require further explanation.
[edit] Query Processing
The theory of query processing in data integration systems is commonly expressed using conjunctive queries [4].
QueryFilter
Before producing a Cursor or FeatureCursor from a dataset, you can define a QueryFilter to define criteria that limits the records returned.
Querying data using AutoCAD 2004's wizrd-driven query builder is a snap. Remember that queries can be saved, stored, and output in ASCII format for subsequent use or additional analysis.
Query/product mode
as noted previously, applications tend to be focused along a continuum of from strictly query oriented systems to strictly product oriented systems
Ease of integration ...
Query
In GIS, a set of commands that are used to select specific objects in a database.
R ...
Query - An input to the computer that aims to retrieve data from a database. This is done with the aid of a Database management system (DBMS).
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The Query Builder dialogue box displays. At the top of the dialogue box you see the name of the active theme, VDC.
GIS query Asking questions of the GIS dataset. For example: "Where is Main Street?" "What parcels are zoned Commercial?" "Who are the owners of parcels that pay more than $1500 per year in property tax?" ...
The Query Builder dialog in the Theme Properties dialog box will normally show all distinct instances of any field when the "Update Values" box is checked. However, with a definition set, the only instances shown will be those meeting the definition.
Q
Query or Database Query: The retrieval and display of data from a database about one or more features, such as a parcel, its size, owner, value and location or address.
See GIS Query Tool.
Area
Geometric representation of a surface; entity that is composed of a line or a series of lines used for its delineation. A polygon on the earth as projected onto a horizontal plane is an example of an area.
SPATIAL QUERY
A query which selects features based on their location or geographic relationship to others.
Spatial Querying and Statistics
Calculate basic statistics on selected features.
Open the query builder with the button. Construct a query where all 'normal' values are selected, like this. Choose "New Set" and close the query window.
Standard Query Language; Structured Query language
SRBC
Susquehanna River Basin Commission ...
Structured Query Language. A syntax for defining and manipulating data from a relational database. Developed by IBM in the 1970s, it has become an industry standard for query languages in most relational database management systems.
Use this page to find "metadata" for National Topographic System (NTS) map sheets. Metadata includes the sheet name, version, contour interval, datum, etc. Enter an NTS number into the box below and hit "Submit Query".
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Instructions: ...
Scroll down and select the Submit Query box.
Names of geospatial metadata files in the NC database which match this search will be presented.
Select one from the list to view the metadata (More on this record).
- Interactive geo-query tools for querying 3-D visualizations enabled by seamless links to GIS-based attributes, providing a framework for a suite of 3-D landscape design capabilities ...
One can see how the querying capability of the DBMS is a necessity in the reclassification process. The ability and process for displaying the results of reclassification, a map or report, will vary depending on the GIS.
This descriptive information, known as metadata, are collected in a standard format to facilitate query and consistent presentation across multiple participating sites.
Query: A statement expressing a set of conditions that forms the basis for the retrieval of information from a database. Queries are often written in a standardized language such as SQL.
A DBMS supports the structuring of the database in a standard format and provides tools for data input, verification, storage, retrieval, query, and manipulation.
(see Table 1; Carlson 1993b; Feldman 1993d; Skelly 1993d) Hence Dobson's (1993) query: "Is GIS prompting a scientific revolution?
To order an on-demand DEM you have to query the dataset: ASTER LEVEL 1A DATA SET - RECONSTRUCTED, UNPROCESSED INSTRUMENT DATA V002 At the EOS Data Gateway.
SQL stands for Structured Query Language, a relational database.
State Plane Coordinate System (SPC) is a locational reference system developed in the 1930s which provides positional descriptions accurate to 1 foot in 10, ...
A geodatabase is a database with extensions for storing, indexing, querying, and manipulating geographic information and spatial data.
A database designed to store, query, and manipulate geographic information and spatial data. It is also known as a spatial database. Within a spatial database, spatial data is treated as any other data type.
Thinking of this example in terms of querying a database, you would first search through the drawers of your desk like the records in a database.
We extracted (with permission) the following from an example in the Database Query section of the Tutorial Exercises in the IDRISI for Windows Users Guide.
Attribute query functions allow records in the attribute databases to be selected. Using the attribute data query functions on the attribute database for the soils layer would allow one to select all soils that are sandy and have a "T" value ...
Give him a ring or shoot him an e-mail query about reaching your business development goals. He'll have something concrete, knowledgeable, and effective to suggest.
This Web based mapping tool allows the user to visualize and query a wide variety of Canadian geospatial data in cartographic form.
Online requests for these data can be placed via the USGS Global Land Information System (GLIS) interactive query system. The GLIS system contains metadata and online samples of Earth science data.
Using ArcGIS 3D Analyst, you can view a surface from multiple viewpoints, query a surface, determine what is visible from a chosen location on a surface, create a realistic perspective image that drapes raster and vector data over a surface, ...
After learning the basics of ArcView, you will be able to query spatial information and create thematic maps to aid in natural and cultural resource management.
This will allow users to evaluate the accuracy of the CENSUS attributes and Latitude/Longitude values. For example: A query for "Certainty = '1' or Certainty = '3'" will select only street level geocodes and exclude inaccurate centroid geocodes.
Students learn to download and add spatial data files, query and select features, classify features, match address files, and more.
The SIC collects and disseminates the positioning and orientation requirements for such organizations as NIMA, FA, ADA, Armor, and the USAF and maintains a digital database capable of archiving, querying, and manipulating survey control.
93 Structured Query Language; a standard interface for access to a relational database through queries that select records matching logical expressions. stand p.
 See also: Information, GIS, Database, Geographic, Map
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