Download or read book SAS 9. 4 SQL Procedure User's Guide written by SAS Institute Staff and published by . This book was released on 2013-07 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes the basics of using the SQL procedure and provides comprehensive reference information. The usage information includes retrieving data from single and multiple tables; selecting specific data from tables; subsetting, ordering, and summarizing data; updating tables; combining tables to create new tables and useful reports; performing queries on database management system (DBMS) tables; using PROC SQL with the SAS macro facility; and debugging and optimizing PROC SQL code. The reference information includes statements, dictionary components, and system options.