The following words are reserved in PROC SQL: The keyword CASE is always reserved; its use in the CASE expression (an SQL2 feature) precludes its use as a column name. If you have a column named CASE ...

There is no way to qualify the data in a DATA step view prior to using it therefore, even if you need only part of the data in your data view, you must load into memory the entire DATA step view and ...

It’s okay to use SELECT * when prototyping a query ... Scalar functions let you encapsulate a calculation into a stored procedure-like snippet of SQL. It’s common practice to return the ...