Top 10 Most Powerful Functions for PROC SQL

PROC SQL is not only one of the many SAS procedures and also a distinctive subsystem with all common features from SQL (Structured Query Language). Equipped with PROC SQL, SAS upgrades to a full-fledging relational database management system. PROC SQL provides alternative ways to manage data other than the traditional DATA Step and SAS procedures. In addition, SAS’s built-in functions are the add-on tools to increase the power of PROC SQL. In this paper, we illustrate ten popular SAS functions, which facilitate the capacity of PROC SQL in data management and descriptive statistics.