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--´´½¨Óû§
create user iagent identified by ia
--profile default 
default  tablespace users
temporary tablespace temp;
--account unlock;
 
--ɾ³ýÓû§
drop user iagent cascade;
--ÐÞ¸ÄÓû§ÃÜÂë
  alter  user  iagent  identified   by ia;
--¸ø´´½¨µÄÓû§ÊÚȨ
grant create user,drop user,alter user,create any view,
drop any view,exp_full_database,imp_full_database,dba,connect,resource,
create session to iagent;
--°Ñ±¸·ÝÎļþ¿½µ½±¾µØÓ²ÅÌ(±¾ÀýÒÔDÅÌΪÀý),È»ºóµ¼ÈëÊý¾Ý¿â
$ imp  file=d:\expdata_iagent_2009-12-07.dmp  ignore=y  indexes=y  grants=y rows=y fromuser=iagent touser=iagent  log=d:impdat_2009-12-07.log 
 
 
ÕâÀïÐèҪעÒâÒ»µã ±¸·ÝÎļþµ¼³öµÄʱºòÓõÄÊÇÄĸöÓû§ µ¼ÈëµÄʱºò¾ÍµÃÓÃÄǸöÓû§(»òÕßÊǾßÓк͵¼³ö±¸·ÝÓû§ÏàͬȨÏÞµÄÆäËûÓû§) £¬´ËÀýÖе¼Èë²ÉÓõÄÊÇÓû§Îªsystem ÃÜÂëΪdbmanagerµÄÓû§ £¬µ¼Èë³É¹¦ºó £¬ÔÚ¿Í»§¶ËÒªÁ¬½Ó´ËORACLE£¬ÐèÒªÐ޸Ŀͻ§¶ËµÄtnsnames.ora Îļþ È磺
IAGENT =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.235.128)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = iagent)
    )
  )
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create tablespace testSP
datafile 'E:\COMPANY\rbtsql\testSP.dbf'
size 100M AutoExtend On Next 10M Maxsize 2048M
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create user janely identified by wawa
default tablespace testSP--ĬÈϱí¿Õ¼äÊÇ system
temporary tablespace temp--±£´æÁÙʱ¶ÔÏóËùʹÓõĿռä±í
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grant ......

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ORACLE_HOME=F:\instantclient_10_2\client
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1.´«ÈëOracleDateTime.NULL
2.Nullable<DateTime> optime = DBNull.Value; ´«Èëoptime(¿ªÊ¼ÍøÉÏÕҵĴð°¸ÊÇNullable<DateTime> optime = null·¢ÏÖ»¹Êǻᱨ´í) ......
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