Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Oracle ÐÞ¸ÄÊý¾ÝÎļþµÄ·¾¶ºÍÃû³Æ

Microsoft Windows XP [°æ±¾ 5.1.2600]
(C) °æÈ¨ËùÓÐ 1985-2001 Microsoft Corp.
C:\Documents and Settings\Admin>sqlplus "/ as sysdba"
SQL*Plus: Release 10.2.0.1.0 - Production on Fri Nov 20 19:31:44 2009
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL> select file_name from dba_data_files;
FILE_NAME
--------------------------------------------------------------------------------
D:\ORACLE\ORADATA\ORCL\USERS01.DBF
D:\ORACLE\ORADATA\ORCL\SYSAUX01.DBF
D:\ORACLE\ORADATA\ORCL\UNDOTBS01.DBF
D:\ORACLE\ORADATA\ORCL\SYSTEM01.DBF
D:\ORACLE\ORADATA\ORCL\EXAMPLE01.DBF
SQL> create tablespace test;
//ÓÉÓÚÎÒʹÓÃÁËOMF¹¦ÄÜ ËùÒÔ´Ë´¦ORACLE»á×Ô¶¯Ö¸¶¨Êý¾ÝÎļþÃû¡¢´óСÓë·¾¶
Tablespace created.
SQL> select file_name from dba_data_files;
FILE_NAME
--------------------------------------------------------------------------------
D:\ORACLE\ORADATA\ORCL\USERS01.DBF
D:\ORACLE\ORADATA\ORCL\SYSAUX01.DBF
D:\ORACLE\ORADATA\ORCL\UNDOTBS01.DBF
D:\ORACLE\ORADATA\ORCL\SYSTEM01.DBF
D:\ORACLE\ORADATA\ORCL\EXAMPLE01.DBF
D:\ORACLE\DB_CREATE_FILE_DEST\ORCL\DATAFILE\O1_MF_TEST_5JDZLKB6_.DBF
6 rows selected.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
/*Õâ¸öʱºò°ÑD:\ORACLE\DB_CREATE_FILE_DEST\ORCL\DATAFILE\O1_MF_TEST_5JDZLKB6_.DBF¸´ÖÆÒ»·Ýµ½D:\ORACLE\ORADATA\ORCL\O1_MF_TEST_5JDZLKB6_.DBF*/
SQL> startup mount
ORACLE instance started.
Total System Global Area 176160768 bytes
Fixed Size 1247948 bytes
Variable Size 88081716 bytes
Database Buffers 83886080 bytes
Redo Buffers 2945024 bytes
Database mounted.
SQL> alter database rename file 'D:\ORACLE\DB_CREATE_FILE_DEST\ORCL\DATAFILE\O1_
MF_TEST_5JDZLKB6_.DBF' to 'D:\ORACLE\ORADATA\ORCL\O1_MF_TEST_5JDZLKB6_.DBF';
//´Ë´¦Ö÷ÒªÊǸü¸Ä¿ØÖÆÎļþÖеÄÄÚÈÝ
Database


Ïà¹ØÎĵµ£º

oracle ±í¿Õ¼ä²Ù×÷

oracle±í¿Õ¼ä²Ù×÷Ïê½â
  1
  2
  3×÷Õߣº   À´Ô´£º    ¸üÐÂÈÕÆÚ£º2006-01-04 
  5
  6 
  7½¨Á¢±í¿Õ¼ä
  8
  9CREATE TABLESPACE data01
 10DATAFILE '/ora ......

jdbcÁ¬½ÓOracle

      ËäȻѧϰJavaºÜ¾ÃÁË£¬×Ô¼ºÒ²Á¬½Ó¹ýһЩÊý¾Ý¿â£¬±ÈÈçmysqlÖ®ÀàµÄ£¬Èç½ñÄØ£¬Ò²Ñ§Ï°ÁËÒ»¶Îʱ¼äµÄOracle£¬È»¶øÄØ£¬½ñÌìÊÇÎÒµÚÒ»´ÎÁ¬½ÓOracle£¬ºÙºÙ£¬Ó¦¸Ã»¹²»ËãÌ«³Ù°É¡£
    ½ñÌìÄØ£¬Óе㱿׾£¬´ó¼ÒĪЦ£¡
    ÎÒÕâÊÇÒ»¸ö²éѯÀý×Ó
    Ê×ÏÈ£¬Ô ......

Oracleº¯Êý×ܽá

 SQLÖеĵ¥¼Ç¼º¯Êý
1.ASCII
·µ»ØÓëÖ¸¶¨µÄ×Ö·û¶ÔÓ¦µÄÊ®½øÖÆÊý;
SQL> select ascii(A) A,ascii(a) a,ascii(0) zero,ascii( ) space from dual;
A A ZERO SPACE
--------- --------- --------- ---------
65 97 48 32
2.CHR
¸ø³öÕûÊý,·µ»Ø¶ÔÓ¦µÄ×Ö·û;
SQL> select chr(54740) zhao,chr(65) chr65 from d ......

Oracle sqlplus copyÃüÁîÓ÷¨

±¾ÎĽéÉÜÁËÈçºÎÀûÓÃsqlplus copy ÃüÁîÔÚÁ½¸öÊý¾Ý¿â¼ä×ªÒÆÊý¾Ý
ÎÞÐèÓõ½dblink, Á½¸öÊý¾Ý¿â¼ä²»ÐèÖ±½ÓͨѶ£¬µ±È»£¬ÐèÒªÓÐÒ»¸öclient¶ÎÄÜͬʱÒÔsqlplusÁ¬½Óµ½Á½¸öÊý¾Ý¿â
ÎÊÌâµÄÌá³ö
ÂÛ̳ÉÏÓÐÈËÌá³öÕâÑùµÄÎÊÌ⣺
¼ÙÉèÓÐÁ½¸öÊý¾Ý¿â,·Ö±ð´¦ÓÚÁ½¸ö²»Í¬µÄÍøµ«ÓÐÒ»¸ö¿Í»§»ú°²ÁËÁ½¿éÍø¿¨¿ÉÒÔͬʱÁ¬µ½Á½¸öÊý¾Ý¿âÇëÎÊÈç¹û²»Í¨¹ýÔÚ¿ ......

ORACLE³£ÓÃÊýÖµº¯Êý¡¢×ª»»º¯Êý¡¢×Ö·û´®º¯Êý½éÉÜ

 
    ±¾ÎIJ¢²»×¼±¸½éÉÜÈ«²¿µÄoracleº¯Êý£¬µ±Ç°ÇéÊÆÏ£¬°³Ò²»¹Ã»Õâ¸öʱ¼ä£¬ÐèҪѧϰµÄ¶«Î÷Ì«¶àÁË£¬Òª°Ñ¶àÊýʱ¼ä»¨ÔÚѧϰ¾­³£ÄÜÓÃÉϵļ¼Êõ·½Ãæ:)£¬ËùÒÔÈç¹ûÊÇ×¼±¸ÉîÈëÁ˽âËùÓÐoracleº¯ÊýµÄÅóÓÑ£¬»¹ÊÇÈ¥¹Ø×¢£ºOracle SQL Reference¹Ù·½Îĵµ¸ü¿¿Æ×һЩ¡£
¡¡¡¡±¾Îĸü¶à½«»á½éÉÜÈý˼ÔÚÈÕ³£Öо­³£»áÓõ½µÄ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ