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

ORACLE directory Ŀ¼


Create directoryÈÃÎÒÃÇ¿ÉÒÔÔÚOracleÊý¾Ý¿âÖÐÁé»îµÄ¶ÔÎļþ½øÐжÁд²Ù×÷£¬¼«´óµÄÌá¸ßÁËOracleµÄÒ×ÓÃÐԺͿÉÀ©Õ¹ÐÔ¡£
ÆäÓ﷨Ϊ:
CREATE [OR REPLACE] DIRECTORY directory AS 'pathname';
±¾°¸Àý¾ßÌå´´½¨ÈçÏÂ:
create or replace directory exp_dir as '/tmp';
Ŀ¼´´½¨ÒԺ󣬾ͿÉÒ԰ѶÁдȨÏÞÊÚÓèÌØ¶¨Óû§£¬¾ßÌåÓï·¨ÈçÏÂ:
GRANT READ[,WRITE] ON DIRECTORY directory TO username;
ÀýÈç:
grant read, write on directory exp_dir to eygle;
´ËʱÓû§eygle¾ÍÓµÓÐÁ˶ԸÃĿ¼µÄ¶ÁдȨÏÞ¡£
ÈÃÎÒÃÇ¿´Ò»¸ö¼òµ¥µÄ²âÊÔ:
SQL> create or replace directory UTL_FILE_DIR as '/opt/oracle/utl_file';
Directory created.
SQL> declare
2 fhandle utl_file.file_type;
3 begin
4 fhandle := utl_file.fopen('UTL_FILE_DIR', 'example.txt', 'w');
5 utl_file.put_line(fhandle , 'eygle test write one');
6 utl_file.put_line(fhandle , 'eygle test write two');
7 utl_file.fclose(fhandle);
8 end;
9 /
PL/SQL procedure successfully completed.
SQL> !
[oracle@jumper 9.2.0]$ more /opt/oracle/utl_file/example.txt
eygle test write one
eygle test write two
[oracle@jumper 9.2.0]$
ÀàËÆµÄÎÒÃÇ¿ÉÒÔͨ¹ýutl_fileÀ´¶ÁÈ¡Îļþ:
SQL> declare
2 fhandle utl_file.file_type;
3 fp_buffer varchar2(4000);
4 begin
5 fhandle := utl_file.fopen ('UTL_FILE_DIR','example.txt', 'R');
6
7 utl_file.get_line (fhandle , fp_buffer );
8 dbms_output.put_line(fp_buffer );
9 utl_file.get_line (fhandle , fp_buffer );
10 dbms_output.put_line(fp_buffer );
11 utl_file.fclose(fhandle);
12 end;
13 /
eygle test write one
eygle test write two
PL/SQL procedure successfully completed.


Ïà¹ØÎĵµ£º

oracleÊý¾Ý¿â×Ö¶ÎÀàÐͼ°ÆäÓëJava.sql.TypesµÄ¶ÔÓ¦

×Ö·ûÀàÐÍ£º
CHAR(size)£º¹Ì¶¨³¤¶È×Ö·û´®£¬×î´ó³¤¶È2000 bytes
VARCHAR2(size)£º¿É±ä³¤¶ÈµÄ×Ö·û´®£¬×î´ó³¤¶È4000 bytes£¬¿É×öË÷ÒýµÄ×î´ó³¤¶È749
NCHAR(size)£º¸ù¾Ý×Ö·û¼¯¶ø¶¨µÄ¹Ì¶¨³¤¶È×Ö·û´®£¬×î´ó³¤¶È2000 bytes
NVARCHAR2(size)£º¸ù¾Ý×Ö·û¼¯¶ø¶¨µÄ¿É±ä³¤¶È×Ö·û´®£¬×î´ó³¤¶È4000 byte
LONG£º±ä³¤µÄ×Ö·û´®£¬×î´ó³¤¶ÈÏÞ ......

OracleÌåϵ½á¹¹Ö®£­Êý¾Ý¿â¡¢±í¿Õ¼ä¡¢ÊµÀý¼ò½é

Ò»¡¢Êý¾Ý¿â
Êý¾Ý¿â¹ËÃû˼ÒåÊÇÊý¾ÝµÄ¼¯ºÏ£¬¶øOracleÔòÊǹÜÀíÕâЩÊý¾Ý¼¯ºÏµÄÈí¼þϵͳ£¬ËüÊÇÒ»¸ö¶ÔÏó¹ØÏµÐ͵ÄÊý¾Ý¿â¹ÜÀíϵͳ¡£    
¶þ¡¢±í¿Õ¼ä
±í¿Õ¼äÊÇOracle¶ÔÎïÀíÊý¾Ý¿âÉÏÏà¹ØÊý¾ÝµÄÂß¼­Ó³Éä¡£Ò»¸öÊý¾Ý¿âÔÚÂß¼­Éϱ»»®·Ö³ÉÒ»µ½Èô¸É¸ö±í¿Õ¼ä£¬Ã¿¸ö±í¿Õ¼ä°üº¬ÁËÔÚÂß¼­ÉÏÏà¹ØÁªµÄÒ»×é½á¹¹¡£Ã¿¸öÊý¾Ý¿âÖ ......

Redhat Linux oracle 10g em °´Å¥ÂÒÂë½â¾ö

ÍøÉÏÓкܶàµÄ×ÊÁÏ£¬²Î¿¼itput£¨http://space.itpub.net/471666/viewspace-215923£©µÄ¡£
OS : Redhat
DB : Oracle 10.2.0.4.0
1.ÐÞ¸Äjdk ÏÂÃæµÄ×ÖÌå¡£
[oracle@a ~]$ cd $ORACLE_HOME/jdk/jre/lib/
[oracle@a ~]]$ mv font.properties font.properties_bak
[oracle@a ~]]$
[oracle@a ~]]$ cp font.properties.zh_CN.R ......

OracleÊý¾Ýµ¼Èëµ¼³öimp/exp

¹¦ÄÜ£ºOracleÊý¾Ýµ¼Èëµ¼³öimp/exp¾ÍÏ൱ÓëoracleÊý¾Ý»¹Ô­Ó뱸·Ý¡£´ó¶àÇé¿ö¶¼¿ÉÒÔÓÃOracleÊý¾Ýµ¼Èëµ¼³öÍê³ÉÊý¾ÝµÄ±¸·ÝºÍ»¹Ô­£¨²»»áÔì³ÉÊý¾ÝµÄ¶ªÊ§£©¡£
¡¡¡¡OracleÓиöºÃ´¦£¬ËäÈ»ÄãµÄµçÄÔ²»ÊÇ·þÎñÆ÷£¬µ«ÊÇÄã×°ÁËoracle¿Í»§¶Ë£¬²¢½¨Á¢ÁËÁ¬½Ó £¨Í¨¹ýnet8 assistantÖб¾µØ——>·þÎñÃüÃû Ìí¼ÓÕýÈ·µÄ·þÎñÃüÃû
¡¡¡¡Æ ......

oracleÖÐʵÏÖ×ÔÔöÁÐ

1.´´½¨Ñ§Éú±í£º
CREATE TABLE student (
    xh number primary key,   
    Name varchar2(10) not null);
   
2. ´´½¨ÐòÁУº
CREATE SEQUENCE student_seq   
START WITH 1   
INCREMENT BY 1
NOCACHE;
°´»Ø³ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ