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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.
¿ÉÒÔ²éѯdba_directories²é¿´ËùÓÐdirectory.
SQL> select * from dba_directories;
OWNER DIRECTORY_NAME DIRECTORY_PATH
------------------------------ ------------------------------ ------------------------------
SYS UTL_FILE_DIR /opt/oracle/utl_file
SYS BDUMP_DIR


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