Contents
How to add SpatiaLite to a SQLite project?
In the Database menu select the DB Manager item. Right click on SpatiaLite in the connection tree and select New Connection. Navigate to the quikstart.sqlite file and open it. You can double click the layers you want to add to the project or right click on them and select Add to canvas.
Is the SpatiaLite database the same as PostGIS?
Fortunately, both SpatiaLite and PostGIS implement the Open Geospatial Consortium’s Simple Features for Spatial specification and so their spatial functions are almost identical and most SQL queries will run on both with very little modification.
How does SQL manager work with Spatialite database?
The DB Manager panel also has a SQL window ( )that allows you to write, execute, and view the results of a SQL query on the SpatiaLite database. It is this ability that gives SpatiaLite its flexibility and power and separates it from a mere data storage format.
Where do I find triggers in SpatiaLite database?
Triggers are SQL functions that are executed in response to database events such as adding or updating data. The Table tab shows the attribute table and the Preview tab shows the geometry of the features. The DB Manager panel also has a SQL window ( )that allows you to write, execute, and view the results of a SQL query on the SpatiaLite database.
When do you use joins clause in SQLite?
SQLite Joins clause is used to combine records from two or more tables in a database. A JOIN is a means for combining fields from two tables by using values common to each. SQL defines three major types of joins −
How to load data from SpatiaLite into QGIS?
There are four ways to load data from a SpatiaLite database into QGIS. In the Browser Panel navigate to the location where you saved the quikstart.sqlite database and double click on it. You should see the Select vector layers to add… dialog box.