Making the Most of the Data School Training Phase

Making the Most of the Data School Training Phase

If you are a new Data Schooler who is just about to embark on your journey, congrats! You might be feeling a little bit unsure about what to expect over the 4-month training program, and perhaps how well you might cope with the training. While I cannot assure you that...

SQL Part Deux: Joins and Unions

  I have previously looked at the core SQL syntax to form the majority of basic functions. Today I will look at JOINS and UNIONS in SQL. JOINS A JOIN clause is used to combine rows from two or more tables, based on a related column between them. So first up what...