PROC SQL is a powerful Base SAS Procedure that combines the functionality of DATA and PROC steps into a single step.
PROC SQL can sort, summarize, subset, join (merge), and concatenate datasets, create new variables, print the results or create a new table or view all in one step!
Count In Proc Sql
How To Create New Columns In PROC SQL Without A Data Step?
The Power Of Proc SQL Subqueries In Data Analysis
A guide to Proc SQL Case When Statement
Proc SQL Automatic Macro Variables
proc sql debug queries
How To Use The SAS Proc SQL Order By Statement?
Truncated String Comparison Operators
sql pass through sas