Listing B - External tables are not buffered

SQL> select ename from pubs.emp_ext;
 

SQL> @buf_data
 

POOL_NAME OBJECT                   SUB_NAME                   BLOCKS           

--------- ------------------------ ------------------------ --------           

DEFAULT   PUBLISHER                                                2           

          REPCAT$_REPPROP                                          1           

          SNS$BINDINGS$                                            2           

         SNS$INODE$                                               2           

          SNS$NODE_INDEX                                           1           

          SNS$REFADDR$                                             3           

          SNS$REFADDR_INDEX                                        3           

          SYS_C001042                                              1           

          SYS_C001414                                              1