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    /*Êý¾ÝÎļþĿ¼λÖÃ*/
    select name from v$datafile_header;
    /*Áª»úÈÕÖ¾µÄλÖÃ*/
    select member from v$logfile;       
   
    /*¿ØÖÆÎļþµÄλÖÃ*/ 
    select name from v$controlfile;  
    
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SQL> select name from v$datafile_header;
NAME
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/oracle/oradata/tieba/system01.dbf
/oracle/oradata/tieba/undotbs01.dbf
/oracle/oradata/tieba/sysaux01.dbf
/oracle/oradata/tieba/users01.dbf
/oracle/oradata/tieba/vmstbs01.dbf
/oracle/oradata/tieba/vmstbs02.dbf
/oracle/product/10.2.0/Db_1/dbs/D:oracleproduct10.2.0oradatapsdbofbiz01.dbf
/oracle/oradata/tieba/notifydb.dbf
8 rows selected.
SQL> select member from v$logfile;
MEMBER
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/oracle/oradata/tieba/redo03.log
/oracle/oradata/tieba/redo02.log
/oracle/oradata/tieba/redo01.log
SQL> select name from v$controlfile;
NAME
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/oracle/oradata/tieba/control01.ctl
/oracle/oradata/tieba/control02.ctl
/oracle/oradata/tieba/control03.ctl
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/oracle/product/10.2.0/Db_1/dbs
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    {
        OracleConnection orcn = new OracleConnection("User ID=wesoftwcp; Password=wesoft; Data Source=oradb");
        orcn.Open();
      &nb ......

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select * from tab/dba_tables/dba_objects/cat; 
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select table_name from user_tables;  //µ±Ç°Óû§µÄ±í   
    
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