Populating BFILE : BFILE « Large Objects « Oracle PL/SQL Tutorial

Oracle PL/SQL Tutorial
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Oracle PL/SQL Tutorial » Large Objects » BFILE 
34. 2. 3. Populating BFILE

Oracle accesses files on the server by using a directory.

A directory is just a pointer to an operating system folder.

Assuming that a folder C:\IO exists on your server, and you want to call that folder IO within Oracle:

create directory IO as 'C:\IO';

grant read, write on directory IO to public;

Now, when you refer to IO in any commands, you're referring to the C:\IO folder in the file system.

To create a pointer to the file on the server and place that pointer in the table on an existing record

SQL> --1: Creating a Pointer
SQL>
SQL> create table catalog
  2  (id number,
  3   name VARCHAR2(2000),
  4   manual_cl CLOB,
  5   firstpage_bl BLOB,
  6   mastertxt_bf BFILE
  7   );

Table created.

SQL>
SQL> create directory IO as 'C:\IO';

Directory created.

SQL> --grant read, write on directory IO to public;
SQL>
SQL>
SQL> declare
  2      v_bf BFILE;
  3  begin
  4      v_bf:=BFILENAME ('IO', 'text.htm');
  5      insert into catalog(id, name, mastertxt_bfvalues (1'TEXT.HTM', v_bf);
  6  end;
  7  /

PL/SQL procedure successfully completed.

SQL>
SQL> drop table catalog;

Table dropped.
34. 2. BFILE
34. 2. 1. Creating Tables Containing BFILE Objects
34. 2. 2. Populating a BFILE Column with a Pointer to a File
34. 2. 3. Populating BFILE
34. 2. 4. BFILE type column
34. 2. 5. BFILE value and BFILENAME function
34. 2. 6. BFILE column and directory
34. 2. 7. Create a BFILE locator
34. 2. 8. Retrieve the LOB locater
34. 2. 9. Use a BFILE to load a LOB column
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