Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

oracle Âß¼­±¸·ÝÃüÁîEXP/IMP²ÎÊý²Î¿¼ÊÖ²á

oracle Âß¼­±¸·ÝÃüÁîEXP/IMP²ÎÊý²Î¿¼ÊÖ²á
°ïÖúÃüÁexp help=y
Export: Release 10.2.0.1.0 - Production on Thu Jul 20 10:39:50 2006
 
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
 
 You can let Export prompt you for parameters by entering the EXP
command followed by your username/password:
 
     Example: EXP SCOTT/TIGER
 
Or, you can control how Export runs by entering the EXP command followed
by various arguments. To specify parameters, you use keywords:
 
     Format:  EXP KEYWORD=value or KEYWORD=(value1,value2,...,valueN)
     Example: EXP SCOTT/TIGER GRANTS=Y TABLES=(EMP,DEPT,MGR)
               or TABLES=(T1:P1,T1:P2), if T1 is partitioned table
 
USERID must be the first parameter on the command line.
 
Keyword    Description (Default)      Keyword      Description (Default)
--------------------------------------------------------------------------
USERID     username/password          FULL         export entire file (N)
BUFFER     size of data buffer        OWNER        list of owner usernames
FILE       output files (EXPDAT.DMP)  TABLES       list of table names
COMPRESS   import into one extent (Y) RECORDLENGTH length of IO record
GRANTS     export grants (Y)          INCTYPE      incremental export type
INDEXES    export indexes (Y)         RECORD    &n


Ïà¹ØÎĵµ£º

Oracleѧϰ±Ê¼Çժ¼4

 ½¨Á¢±íÈçÏÂ:
ѧÉú»ù±¾ÐÅÏ¢±í
CREATE Student(
[Studentid][Int]IDENTITY(1,1)NOT NULL primary key,--Ö÷¼ü
[StudentName][char]NOT NULL
)
¿Î³ÌÐÅÏ¢±í
CREATE Subject(
[SubjectID][char]NOT NULL primary key,          --Ö÷¼ü
[SubjectName][char]NOT NULL
)
³ ......

Oracleѧϰ±Ê¼Çժ¼5

 Êý¾Ý¿â¶ÔÏó
<1>±í(Ô¼Êø)
<2>ÈçºÎ×Ô¶¯±àºÅ
SQLserver
  --IDENTITYÊôÐÔ
  create table test(
    xh int identity(1,2) primary key,
    name varchar(20)
);
  insert into test(name) values ('mike');
ORACLE
  Ò»¸ö¶ÔÏó(ÐòÁÐsequenc ......

ORACLEÊý¾Ý¿âÀï±íµ¼ÈëSQL ServerÊý¾Ý¿â

ORACLEÊý¾Ý¿âÀï±íµ¼ÈëSQL ServerÊý¾Ý¿â
   
  1¡¢ÔÚÄ¿µÄSQL ServerÊý¾Ý¿â·þÎñÆ÷ÉÏ°²×°ORACLE ClientÈí¼þ»òÕßORACLE ODBC Driver.
    ÔÚ$ORACLE_HOME\network\admin\tnsnames.oraÀïÅäÖÃORACLEÊý¾Ý¿âµÄ±ðÃû(service name)¡£
   
  2¡¢ÔÚWIN2000»òÕßwin200 ......

Oracle±Ê¼Ç

Oracle µÄ´úÂë±íʾ¼°ÊÂÀý
 
1.  select + xxx + from + xxx   //²éѯÓï¾ä  xxx ±íʾһ¸ö±í  
     Select  *  from  + xxx   // * ±íʾһ¸öÁбíÖÐËùÓеÄÄÚÈÝ
 
  Àࣺ 1£©//  select * from country
 
   ......

ORACLE·ÖÇø±íµÄ²Ù×÷Ó¦ÓÃ

ORACLE·ÖÇø±íµÄ²Ù×÷Ó¦ÓÃ
ORACLE·ÖÇø±íµÄ²Ù×÷Ó¦ÓÃ
ÕªÒª£ºÔÚ´óÁ¿ÒµÎñÊý¾Ý´¦ÀíµÄÏîÄ¿ÖУ¬¿ÉÒÔ¿¼ÂÇʹÓ÷ÖÇø±íÀ´Ìá¸ßÓ¦ÓÃϵͳµÄÐÔÄܲ¢·½±ãÊý¾Ý¹ÜÀí£¬±¾ÎÄÏêϸ½éÉÜÁË·ÖÇø±íµÄʹÓᣡ¡¡¡ ÔÚ´óÐ͵ÄÆóÒµÓ¦ÓûòÆóÒµ¼¶µÄÊý¾Ý¿âÓ¦ÓÃÖУ¬Òª´¦ÀíµÄÊý¾ÝÁ¿Í¨³£¿ÉÒÔ´ïµ½¼¸Ê®µ½¼¸°ÙGB£¬ÓеÄÉõÖÁ¿ÉÒÔµ½TB¼¶¡£ËäÈ»´æ´¢½éÖʺÍÊý¾Ý´¦Àí¼¼ÊõµÄ·¢Õ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ