SAS Viya is the latest enhancement of the SAS Platform. When you are SAS9 programmer you can continue using your SAS9 syntax in SAS Viya. However, if you want to take advantage of capabilities such as parallel processing or in memory processing offered by SAS Viya, you need to know a little bit more than SAS9 syntax.
This tips and tricks is designed for people who already know Data Step programming in SAS9 and want to learn what you can and cannot do in SAS Data Step programming executed by the CAS server .

In this tips and tricks, we will first make a summary of the most important things discussed in the introduction SAS Viya for SAS users tips and tricks. Then we will dive into the main Data Step topics which differs from SAS9 when you are working on the CAS server . More precisely, we will see :

• How to load, run and promote tables via DATASTEP
• the multi-threading problematic
• the by-group processing
• How to create and apply formats in CAS
• Data Steps statements or options not supported in CAS

This tips and tricks is also interesting when you start with SAS programming with SAS Viya or if you plan to do a migration from SAS9 to SAS Viya.

You have some SAS experience in SAS 9 and are familiar with Data Steps. Moreover, you already followed the introduction SAS Viya for SAS users tips and tricks.