Oracle BFILE备忘

创建目录

create or replace directory exp_dir as '/tmp';

赋权

grant read, write on directory exp_dir to PUBLIC;

测试写文件

    declare

      fhandle utl_file.file_type;

    begin

      fhandle := utl_file.fopen('exp_dir', 'example.txt', 'w');

      utl_file.put_line(fhandle , 'eygle test write one');

      utl_file.put_line(fhandle , 'eygle test write two');

      utl_file.fclose(fhandle);

    end;

    /

测试读取文件

 declare

    fhandle   utl_file.file_type;

    fp_buffer varchar2(4000);

  begin

    fhandle := utl_file.fopen ('exp_dir','example.txt', 'R');

    utl_file.get_line (fhandle , fp_buffer );

    dbms_output.put_line(fp_buffer );

    utl_file.get_line (fhandle , fp_buffer );

     dbms_output.put_line(fp_buffer );

     utl_file.fclose(fhandle);

   end;

   /

可以查询dba_directories查看所有directory.

SQL> select * from dba_directories;

可以使用drop directory删除这些路径.

SQL> drop directory exp_dir;