Question-: What is in the descriptive information?
Answer: Descriptive information is an information about the SAS Data sets, which include the - name for all the variables - How these variables are arranged (Order of the variables) - How many total numbers of the observations in the SAS Dataset? - When this Dataset was created?
Question-: What do you mean by the SAS log?
Answer: Whenever you run the SAS program it generates some messages about the SAS program execution, and this has quite useful information. And these logs can be created on the - Disk - Display in the monitor - Hardcopy listing
Question-: What are the catalogs, can you give some examples?
Answer: Catalog contains the information that can not be easily represented in the tabular format. You can see below are the examples - Function key settings (e.g. F9, F11, F10 etc.) - Letters produced by SAS/FSP software - Displays that are produced by SAS/GRAPH software
Question-: Which SAS software you can use to update or insert the entries in the external database?
Answer: SAS/ACCESS software