//
//Unique command is used to remain record which is appointed by key; 
//

//Syntax 
unique [keys];

//Remark
//unique command is generaly used after sort command; 
//example
//Read data 
get bankR.csv@;



//Execute mult sort to descending order of salnow by jobcat;  
sort jobcat -salnow;




//Execute unique jobcat to get max salnow by each jobcat; 
unique jobcat;




//Check max salnow by statis command;
get bankR.csv@;

statis salnow by jobcat;