Some letters require only two address lines, so you can assign the DELETE attribute to the last address field. If the field is blank, the FSLETTER procedure deletes the ... the highlighted item and ...

and other attributes of the data. Data step is flexible and easy to use, but it also requires more memory and processing time than proc sql. Data step is a SAS programming step that allows you to ...

However, a user could still update the data accessed by VLIB.CUSTACCT, for example, by using a PROC SQL UPDATE. Assign a WRITE level of protection to prevent data updates. To delete a password on an ...