闲来无事，粗略浏览了下SAS 9.3 的文档，文档不仅数量猛增，且种类也大增。不过分类和介绍更详细了。以后查找也更方便更有目的性了。例如仅DATA SETP,SAS 就列了如下文档：
DATA Step References

• SAS 9.3 Component Objects: Reference
  PDF (1.88MB)  |   HTML   |   Purchase book
• SAS 9.3 Data Set Options: Reference
  PDF (1.62MB)  |   HTML   |   Purchase book
• SAS 9.3 Formats and Informats: Reference
  PDF (8.95MB)  |   HTML   |   Purchase book
• SAS 9.3 Functions and CALL Routines: Reference
  PDF (20.37MB)  |   HTML   |   Purchase book
• SAS 9.3 National Language Support (NLS): Reference Guide
  PDF (5.35MB)  |   HTML
• SAS 9.3 Output Delivery System: User's Guide
  PDF (11.54MB)  |   HTML   |   Purchase book
• SAS 9.3 Statements: Reference
  PDF (8.18MB)  |   HTML   |   Purchase book
• SAS 9.3 System Options: Reference, Second Edition
  PDF (2.50MB)  |   HTML
• Base SAS 9.3 Utilities: Reference
  PDF (1.15MB)  |   HTML   |   Purchase book
  相当详细呀。很多是9.2 时没有的。
  

http://support.sas.com/documentation/onlinedoc/base/index.html#base93