I'm doing a package tracking feature for the website of a delivery service out here. I'm trying to perform an inner join based on the success of an if statement in my sql query. However i keep ...

Many people are confused by various JOIN operations supported by SQL. Learn to master the SQL command line with this crash course in JOIN syntax.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

SQL delete rows with join Here’s a quick and simple tip to delete database rows when a JOIN statement is required to filter the data. This question pops up more than you might think as it’s ...