How to perform 'Async Fetch All Rows' in SAS.
* Task: Async Fetch All Rows
* Language: SAS
%macro async_fetch_all_rows()
* Implementation for Async Fetch All Rows
%let result = ...; * Initialize variable
* TODO: Implement core logic here
* Step 1: Prepare data
* Step 2: Process Async Fetch All Rows
%put("Done");
%mend;