???????????directory????????????
[root@linux exp_dir]# ll
??? 248
-rw-r----- 1 oracle oinstall 196608 11-08 21:49 oratcb1_007D001B0001dpexp.dmp
-rw-r--r-- 1 oracle oinstall    969 11-08 21:49 oratcb1_007D001B0001dpexp.log
-rw-r--r-- 1 oracle oinstall   4563 11-08 21:48 oratcb1_007D001B0001dpexp.sql
-rw-r--r-- 1 oracle oinstall   3773 11-08 21:49 oratcb1_007D001B0001dpimp.sql
-rw-r--r-- 1 oracle oinstall   1763 11-08 21:49 oratcb1_007D001B0001main.xml
-rw-r--r-- 1 oracle oinstall    239 11-08 21:48 oratcb1_007D001B0001ol.xml
-rw-r--r-- 1 oracle oinstall    173 11-08 21:48 oratcb1_007D001B0001sql.xml
-rw-r--r-- 1 oracle oinstall    388 11-08 21:49 oratcb1_007D001B0001ssimp.sql
-rw-r--r-- 1 oracle oinstall    422 11-08 21:49 oratcb1_007D001B0001xplf.sql
-rw-r--r-- 1 oracle oinstall    654 11-08 21:49 oratcb1_007D001B0001xplo.sql
-rw-r--r-- 1 oracle oinstall    399 11-08 21:49 oratcb1_007D001B0001xpls.sql
-rw-r--r-- 1 oracle oinstall   1891 11-08 21:49 oratcb1_007D001B0001xpl.txt
-rw-r--r-- 1 oracle oinstall   2316 11-08 21:48 README.txt
????????
u2@ORCL> conn u1/u1
???????
u1@ORCL> exec dbms_sqldiag.import_sql_testcase(directory => 'EXP_DIR'??filename => 'oratcb1_007D001B0001main.xml'??importData => true);
PL/SQL ??????????ɡ?
u1@ORCL> select count(*) from t
2  ;
COUNT(*)
----------
1
u1@ORCL> select * from t;
A
----------
1
u1@ORCL> select * from tab;
TNAME                          TABTYPE  CLUSTERID
------------------------------ ------- ----------
T                              TABLE