Operating Systems Endian formats for migrating databases across platforms

Nowadays DBAs face requirements for migrating databases across different platforms like from Windows to Linux or Solaris or vice versa. While doing this we would require to use transportable tablespaces or cross-platform transportable tablespaces. In order to decide whether the migration would be simple or will involve file conversion, following command is used to identify platform endian format. If the endian formats are same then the process pretty straightforward.

SQL> select * from v$transportable_platform order by platform_id;

PLATFORM_ID PLATFORM_NAME ENDIAN_FORMAT
1 Solaris[tm] OE (32-bit) Big
2 Solaris[tm] OE (64-bit) Big
3 HP-UX (64-bit) Big
4 HP-UX IA (64-bit) Big
5 HP Tru64 UNIX Little
6 AIX-Based Systems (64-bit) Big
7 Microsoft Windows IA (32-bit) Little
8 Microsoft Windows IA (64-bit) Little
9 IBM zSeries Based Linux Big
10 Linux IA (32-bit) Little
11 Linux IA (64-bit) Little
12 Microsoft Windows 64-bit for AMD Little
13 Linux 64-bit for AMD Little
14 HP Open VMS Little
15 Apple Mac OS Big

Apr 28th, 2010 | Posted by Tushar Thakker | In Oracle, Oracle Database, Oracle Database cloning, Oracle DBA
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