Question-21: 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-22: 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-23: 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-24: Which SAS software you can use to update or insert the entries in the external database?

Answer: SAS/ACCESS software

Question-25: What is the ODS?

Answer:  In SAS ODS is a short form of Output delivery system, which helps in producing the output in variety of formats like

• As an HTML file
• Traditional SAS listing (monospace)
• A PostScript files
• Generating an RTF (Rich Text file, can be opened in MS office)
• Generating output Dataset