Data Analytics and Video Tutorials
You can use an SQLite database to store data in a database and run queries against it to retrieve data.
If you are working on data analytics , and have access to databases that you can load data into and manipulate, then read on. There maybe a reason for you have your own partitioned table with data in it, but you need to know how to create a database. The creation of a table can…
Following on from from our previous posts on SQL, this post will help to explain how to use wildcards in your query. What would you use a wild card in the first place? When a data analyst dealing with a large dataset, it is most likely that they will not know every piece of data….
You have now started to understand your database structure and want to extract data from it. Data analytics projects can have lots of data, you need a way to get to what you need quickly and easily. The question now becomes how would you achieve this? The most easiest way is to add a where…
Building on how to select all records with SQL , you may want to learn how to get specific columns of data from your table. Using SQLite again , we will now look to select two columns from the table below, namely name and iso_code. The purpose of completing this, is to allow the user…
As part of working as a data analyst, in order to retrieve your data you will most likely need to connect into a database, and look at the database records and then start analysing, but how? At the start of any data analytics project you will need to understand the structure of your data and…
CRUD ( create, read, update, delete) is a programming language acronym notably for how to manage updates to a database. It is commonly used when talking about storing data on a database and follows the following rules: The ability to create or add new records. Be able to read and or retrieve the records. If…