gui tutorial for existing sqlite database

#GUI TUTORIAL FOR EXISTING SQLITE DATABASE HOW TO#
#GUI TUTORIAL FOR EXISTING SQLITE DATABASE INSTALL#
#GUI TUTORIAL FOR EXISTING SQLITE DATABASE SOFTWARE#
#GUI TUTORIAL FOR EXISTING SQLITE DATABASE CODE#

If you want to read more about how Python data types translate to SQLite data types and vice-versa, see the following link: These are the data types that you can store in this type of database. SQLite supports the following types of data: However, you will learn enough in this article to also load and interact with a pre-existing database if you want to.

For the purposes of this article, you will create a database. To start working with a database, you need to either connect to a pre-existing one or create a new one. You can read the documentation for the sqlite3 library here:

#GUI TUTORIAL FOR EXISTING SQLITE DATABASE INSTALL#

This means that you won’t have to install anything extra in order to work through this article. The Python standard library already comes with a sqlite3 library built-in, which is what you will be using.

#GUI TUTORIAL FOR EXISTING SQLITE DATABASE CODE#

There are 3rd party SQL connector packages to help you connect your Python code to all major databases.

#GUI TUTORIAL FOR EXISTING SQLITE DATABASE HOW TO#

Let’s start learning about how to use Python with a database now! Creating a SQLite Database In this article, you will learn about the following: This allows you to focus on the essentials of what a database is and how it functions, while avoiding the danger of getting lost in installation and setup details. You won’t need to do any configuration or additional installation. The reason you will use SQLite is that it is a file-based database system that is included with Python. For the purposes of this article, you will focus on a very simple one known as SQLite.

#GUI TUTORIAL FOR EXISTING SQLITE DATABASE SOFTWARE#

Popular database software includes Microsoft SQL Server, PostgreSQL, and MySQL, among others. Most database software require you to install complex software on your local machine or on a server you have access to. Databases hold data in a tabular format, which means that they have labeled columns and rows of data. The typical solution for this type of situation is to use a database. More often than not, the data that you work with will need to be available to multiple developers as well as multiple users at once. Now we’ll query for schools near to highway 42.Software developers have to work with data. shp extension, then the name of the new spatialite table, next the character encoding, and finally the EPSG code of the shapefile’s CRS. loadshp command: first the shapefile without the. loadshp data/north_carolina/shape/roadsmajor roads utf-8 3358

loadshp data/north_carolina/shape/schools_wake schools utf-8 3358 The SPATIAL_REF_SYS table already contains some row(s)Įnter SQL statements terminated with a ' ' Notice the SQL query which has been created for you in the top right pane, and results in the bottom spatialite test.sqlite Right Click on the MunicipalHalls table and select “Edit table rows”. The bottom right panel shows the results of the SQL query.

You can enter your own customised SQL into this panel. The top right panel shows SQL for the action selected. Right click on elements of the left panel to select from a list of common database actions. The left panel displays the database hierarchy, such as a list of tables, and columns within the table. You will notice the display broken into 3 areas: Right click on the MunicipalHallsView table and select “Show Columns” Select File->Connecting an existing SQLite DBīrowse to the /home/user/data/spatialite directory and choose trento.sqlite. Open the Spatialite GUI by selecting Geospatial ‣ Databases ‣ Spatialite GUI You can easily see the structure of the tables and dataĬontents using point and click functions, many of which constructĬommon SQL queries, or craft your own SQL queries. Spatialite-gui provides a visual interface for viewing and maintaining a Create a new spatialite database and load a shapefile

Gui tutorial for existing sqlite database