Read this SQL tutorial to learn when 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 ...

Whether you’re just getting in to programming or you’ve avoided learning SQL, it’s something every developer faces eventually. You may not be responsible for building and maintaining a database, but ...

Note: The SQL procedure displays the variable labels as stored in the view. However, because you are referencing a view descriptor, you must use the SAS variable names in the WHERE clause, not the ...