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   expµ¼³ö¹¤¾ß½«Êý¾Ý¿âÖÐÊý¾Ý±¸·ÝѹËõ³ÉÒ»¸ö¶þ½øÖÆÏµÍ³Îļþ.¿ÉÒÔÔÚ²»Í¬OS¼äÇ¨ÒÆ
   
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       b. ±íģʽ£º µ¼³öÓû§ËùÓбí»òÕßÖ¸¶¨µÄ±í£»
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$exp test/test123@appdb
Enter array fetch buffer size: 4096 > »Ø³µ
Export file: expdat.dmp > m.dmp Éú³Éµ¼³öµÄÎļþÃû 
(1)E(ntire database), (2)U(sers), or (3)T(ables): (2)U > 3
Export table data (yes/no): yes > »Ø³µ
Compress extents (yes/no): yes > »Ø³µ
Export done in ZHS16GBK character set and ZHS16GBK NCHAR character set
About to export specified tables via Conventional Path ...
Table(T) or Partition(T:P) to be exported: (RETURN to quit) > cmamenu Òªµ¼³öµÄ±íÃû
. . exporting table                        CMAMENU       4336 rows exported
Table(T) or Partition(T:P) to be exported: (RETURN to quit) >Òªµ¼³öµÄ±íÃûn
Table(T) or Partition(T:P) to be exported: (RETURN to quit) > »Ø³µ
Export terminated successfully without warnings. 
3. µ¼³ö¹¤¾ßexp·Ç½»»¥Ê½ÃüÁîÐз½Ê½µÄÀý×Ó
$exp scott/tiger tables=(emp,dept) file=/directory/scott.dmp grants=y 
˵Ã÷:°ÑscottÓû§ÀïÁ½¸ö±íemp,deptµ¼³öµ½Îļþ/directory/scott.dmp
$exp scott/tiger tables=emp query=\"where job=\'salesman\' and sal\<1600\" file=/directory/scott2.dmp 
˵Ã÷:ÔÚexpÀïÃæ¼ÓÉϵ¼³öempµÄ²éѯÌõ¼þjob='salesman' and sal<1600
    
    (µ«ÎÒ¸öÈ˺ÜÉÙÕâÑùÓÃ,»¹ÊǰÑÂú×ãÌõ¼þµÄ¼Ç¼Éú³ÉÁÙʱ±íºó,ÔÙexp»á·½±ãһЩ)
$exp parfile=username.par file=/directory1/username_1.dmp,/directory1/username_2.dmp


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 10DATAFILE '/ora ......

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select sysdate,add_months(sysdate,12) from dual;         --¼Ó1Äê
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CREATE TABLESPACE "SAMPLE"
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    DATAFILE 'D:\ORACLE\ORADATA\ORA92\LUNTAN.ora' SIZE 5M
REUSE AUTOEXTEND
ON NEXT 51200K MAXSIZE 3900M
EXTENT    MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO 
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