Read this SQL ... to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when combining data ...

The extracted information is being used as part of a data ... tables was usually all that was required allowing me and my severely crappy SQL skills to simply use statements like 'select column1 ...

Analyze database contents using basic, intermediate and advanced SQL statement syntax and usage. Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database ...