proc sql feedback;
  connect to oledb(init_string="Provider=Microsoft.Jet.OLEDB.4.0;
  Password="";Data Source=K:\db1.mdb;Persist Security Info=True");
  execute (DELETE * FROM deptnew) by oledb;
  quit;

OR

 proc sql feedback;
  connect to oledb(init_string="Provider=Microsoft.ACE.OLEDB.12.0;
  Password="";
  Data Source=c:\My Documents\database1.accdb;
  Persist Security Info=True");
  execute (DELETE * FROM class) by oledb;
  quit;

OR

 proc sql feedback;
 connect to access(path="c:\My Documents\database1.accdb");
 execute (DELETE * FROM class) by access;
 quit;