SAS

• SAS one of the technical tool and integrated system.
• SAS has portability means develop on any environment (operating system ) and run in any environment (OS).
• SAS can be managed by code and menu driven.

 SAS interaction using 4 types of languages.

SAS language.                                                                   Basic language.

SQL (structured query language).

Macro language.                                                             Advanced languages

SCL(SAS component language)

• SAS can run in graphical and non-graphical environment.

NON-graphical                                                                           Graphical

Dos                                                                     Windows

Unix                                                                      Linux

• SAS application ssubmission in 4 modes.

   1. Display manager mode.

   2. Non interactive mode.

   3. Interactive mode.

   4.Batch mode.

Display Manager Mode: Working With windows and components available only in graphical environment.

Non interactive Mode: Stores SAS code in PC files (.txt or .rtf) for submission of application in graphical or non graphical environment whenever SAS is running in client server. It is available in graphical and non graphical environment.

Interactive Mode: Submission of SAS application Statement by statement. It is available only in non graphical enviroment.

Batch Mode: Submission of SAS application  in backend process. Whenever the application will be takes more process taken for compile and execution . It is available in graphical and non graphical mode.