A join in SQL combines two tables together using a column/columns that exists in both tables. The name of the column/columns joining the two tables do not have to be the same but the content and ...

Background So I'd been recording my daily expenses data in an excel file. Recently, I moved some of this data into a MYSQL database. I call this database logbook. Initially, I had created 1 big table ...

I want to join tables based on more than one column. Is this possible? What is the syntax to do it?For example, here is a join using one column:SELECT au_fname, au_lname, titleFROM authorsINNER ...

A few months ago a new option was added to the Sql.Database and Sql.Databases functions in Power Query in Power BI and Excel which allows Power Query queries that combine data from different SQL ...