Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier. Due to popular demand, we’re ...

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 ...

SAS evaluates select-expression, if present, as well as when-expression-1. If the values of both expressions are equal, then SAS executes the statements associated with when-expression-1. If the ...