Learn Data fundamentals Topic Data fundamentals Learn the basics of data and databases. Articles Article 1 A guide to the data landscape A guide to the data world for beginners via a tour of the data stack. Read more Article 2 A short overview of databases How tables, rows, columns, and keys work together to make a database. Read more Article 3 Data types and metadata Why data types matter and how metadata can help you better understand your data. Read more Article 4 Database table relationships Understanding how tables in a database can relate to each other. Read more Article 5 Measures and dimensions How to work with quantitative and qualitative fields in your queries. Read more Article 6 Data normalization What a normalized database looks like and why table structure matters. Read more Article 7 Types of databases What to know about different types of database and how they work. Read more Article 8 Data warehouse vs data lake vs data mart You'll probably hear these terms thrown around, so here's some context on the differences between a data warehouse, a data lake, and a data mart. Read more Article 9 Data cubes Thinking about your data in more than two dimensions. Read more
