Geospatial Analysis with SQL: A hands-on guide to performing geospatial analysis by unlocking the syntax of spatial SQL 9781835083147

Table of contents :
Geospatial Analysis with SQL
Contributors
About the author
About the reviewers
Preface
Who is this book for?
What this book covers
To get the most out of this book
Download the example code files
Conventions used
Get in touch
Share Your Thoughts
Download a free PDF copy of this book
Section 1: Getting Started with Geospatial Analytics
1
Introducing the Fundamentals of Geospatial Analytics
Technical requirements
Spatial databases
SRIDs
Understanding geospatial data types
Raster models
Exploring SQL
SELECT statements
WHERE statements
CREATE statements
Summary
2
Conceptual Framework for SQL Spatial Data Science – Geometry Versus Geography
Technical requirements
Creating a spatial database
Options for databases with spatial functions
Exploring databases with psql
Importing data
Fundamentals of a query-based syntax
Changing column names
Identifying tables
Introducing query-based syntax
Analyzing spatial relationships
Detecting patterns, anomalies, and testing hypotheses
Summary
3
Analyzing and Understanding Spatial Algorithms
Technical Requirements
Developing knowledge about geographic space
Connecting to databases and executing SQL queries
Reasoning and key decisions about spatial concepts
Exploring pattern detection tools
Executing SQL queries in QGIS
Summary
4
An Overview of Spatial Statistics
Technical requirements
Creating spatial vectors with SQL
Renaming table columns – US census
What do the census table codes mean?
Running queries in QGIS
Building prediction models
Summary
Section 2: SQL for Spatial Analytics
5
Using SQL Functions – Spatial and Non-Spatial
Technical requirements
Preparing data
Creating a dataset using the Open Street Map plugin
Null values in PostgreSQL
Spatial concepts
ST_Within
CREATE VIEW
ST_Buffer
Creating functions in SQL
Mining areas in Brazil
Summary
6
Building SQL Queries Visually in a Graphical Query Builder
Technical requirements
Conditional queries
SQL data queries using the graphical query builder
Aggregation and sorting queries
Understanding census-designated places
The SQL Query Builder
Exploring census data in the SQL Query Builder
Summary
7
Exploring PostGIS for Geographic Analysis
Technical requirements
Configuring and authenticating PostGIS in QGIS
Loading data into PostGIS
Importing data into PostGIS
Discovering the PgAdmin dashboard
Executing SQL queries in pgAdmin
Importing additional data – power plants
Additional data queries – IS NOT NULL
Differentiating polygons in OSM data
Spatial queries
Exploring ST_Contains and multi-table joins
Summary
8
Integrating SQL with QGIS
Technical Requirements
Understanding the SQL query builder in QGIS
Comparing polygons between two large datasets
Raster data
Installing plugins
The GEE data catalog plugin
Landscape Change Monitoring System
raster2pgsql
Terminal raster import
Summary
Index
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