I've been in an argument with one of our devs that took an update statement with an inner join and made it a left join (because inner was missing some records somehow in the left table - tableB in ...

This is a guided project from Coursera, in which I have learnt about cleaning data in SQL using following methods For this project, open-source database (NorthWind Database) was used . ROW_NUMBER is a ...

SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and querying ...