September 2016
Beginner to intermediate
486 pages
10h 56m
English
book
Mastering QGIS - Second Edition
by Kurt Menke, GISP, Paolo Corti, Richard Smith Jr., GISP, Luigi Pirelli, John Van Hoesen, GISP
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Creating queries and views
DB Manager has a SQL window that allows SQL queries to be executed against the database. This section will explain how to use the SQL window to query a table and create a spatial view in SpatiaLite.
Tip
Different databases support different SQL commands. SQLite supports much of, but not all, the standard SQL. For a complete listing of supported SQL operations, visit http://www.sqlite.org/sessions/lang.html.
Creating a SQL query
To create a SQL query, perform the following steps:
- Open DB Manager by clicking on DB Manager under Database.
- In the Tree panel, navigate to and select the database on which you wish to perform a SQL query.
- Navigate to Database | SQL window, or press f2 on your keyboard, to open the SQL window.
- Enter ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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