A SAS program can be
any combination of the following elements:
-
-
-
Structured Query Language (SQL)
code
-
When you submit a SAS
program, the code is copied to a memory location called the input
stack. The presence of text in the input stack triggers
a component called the word scanner to
begin its work.
The word scanner has two major functions. First, it pulls the raw text from the input stack character by character and transforms it into tokens. Second, it sends tokens ...