by Klementyna Witczak | Jul 24, 2024 | SQL
Learn advanced techniques for creating SQL queries. Practical examples and applications. SQL (Structured Query Language) is a powerful tool that allows for advanced manipulation and analysis of data in databases. As a data analyst, I use SQL daily to extract,...
by Klementyna Witczak | Jul 16, 2024 | SQL
Learn how to get started with SQL and databases. A beginner’s guide. SQL (Structured Query Language) is a language that plays a crucial role in managing and manipulating databases. With SQL, we can create, modify, delete, and query databases, making it an...
by Klementyna Witczak | Jun 24, 2024 | Work
If you ever googled ‘SQL for data analyst’ or you would like to know how to get the insights from the data base, this article is for you. Today, I’ll talk about the key elements of SQL for analysts and show you how to effectively extract data from a...