![]() Caifan Du asked what the best way would be to store about 16GB of research data efficiently since it was becoming extremely slow to work with on her own computer. This article has been prompted by a discussion yesterday on the Science of Science Slack channel. Please read the update here: Should you use SQLite? Update : There is now an update to this article where I acknowledge problems with the arguments I brought forth below. Published on Thursday, September 16th, 2021 M.While SQLite databases are very convenient for storing application data, you should not store any significant amount of research data in them. M.Przybyla, screenshot of Execute SQL, (2020) M.Przybyla, screenshot of Edit table definition, (2020) M.Przybyla, screenshot of Modify Table, (2020) M.Przybyla, screenshot of DB Browser for SQLite setup, (2020) Photo by Grzegorz Walczak on Unsplash, (2017) I hope you found this article interesting and useful. To conclude, with this tool, you can create a local database, import data, modify tables, and execute queries for your exploratory data analysis or data science model datasets. The original reference will have further examples and documentation regarding DB Browser for SQLite. While I covered some, there are still plenty of other tips and tricks that you can perform. ![]() ![]() I had a lot of fun setting this tutorial up while providing some useful instructions on common parts of this platform. While these queries were not especially complex, they were included to visually describe the type of querying you can perform using this useful tool. Overall, I was able to merge two tables together in order to retrieve the information I wanted by establishing specific conditions. Next, I wanted to only see results where the location was in the countries of the United States (US) or Australia (AUS). I then performed a left join on the names table to retrieve results where there was a match on the accounts table. The single letter is an indication of the full name of the respective table - also known as an alias. The above screenshot visualizes the selection of three fields: a.account_id, a.name, and n.location. Just like in other SQL platforms, you can perform more complex querying such as joins and where clauses. Below, I will show how you can set up your first database and its respective tables. While there are several platforms by other companies, this interface is easy to use and set up. It is open source and used by some to start their SQL journey. SQLiteĭB Browser for SQLite is a tool where you can visualize databases and tables that you create, edit, and query. Additionally, you can obtain metrics that can serve as features for your model.īelow, I will discuss DB Browser for SQLite, the setup, and examples, so that by the end of this article, you can be up and running with your own local database. You can also use this tool for exploratory data analysis, apart from Python and pandas in your Jupyter Notebook. You can then run queries that would ultimately serve as your dataset for your machine learning model. Once you have established your database with tables. ![]() Whether you want to practice your SQL skills for an upcoming interview, study up on different querying techniques for your current position, or possibly start up your own company and house your test data, DB Browser for SQLite is for you. Have you ever wanted to set up a local database and query it? If the answer is yes, then continue reading. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |