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How do i check my oracle database is either 32 bit or 64bit

Have a lot of method…Here one method below

[oracle@netbackuptest bin]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.2.0 Production on Sat Nov 26 07:57:52 2011

Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> select length(addr)*4 || '-bits' word_length from v$process where rownum=1;

WORD_LENGTH
---------------------------------------------
64-bits

SQL>
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Virtual machine images for Oracle Solaris 11

This download page offers a variety of links for virtual machine images for Oracle Solaris 11, including Oracle VM Templates for Oracle Solaris 11. These Oracle VM Templates speed the creation of Proof of Concept environments and other evaluation/development tasks by dramatically simplifying the installation process. Oracle Solaris VM Templates are available for both SPARC and x86-based systems.

Oracle VM Template for Oracle Solaris 10 Zones (64 bit)

Script : Tablespace free space

How do we identify tablespace free space in database ?

SQL> SELECT /* + RULE */ df.tablespace_name "Tablespace",
2 df.bytes / (1024 * 1024) "Size (MB)",
3 SUM(fs.bytes) / (1024 * 1024) "Free (MB)",
4 Nvl(Round(SUM(fs.bytes) * 100 / df.bytes),1) "% Free",
5 Round((df.bytes - SUM(fs.bytes)) * 100 / df.bytes) "% Used"
6 FROM dba_free_space fs,
7 (SELECT tablespace_name,SUM(bytes) bytes
8 FROM dba_data_files
9 GROUP BY tablespace_name) df
10 WHERE fs.tablespace_name (+) = df.tablespace_name
11 GROUP BY df.tablespace_name,df.bytes
12 UNION ALL
13 SELECT /* + RULE */ df.tablespace_name tspace,
14 fs.bytes / (1024 * 1024),
15 SUM(df.bytes_free) / (1024 * 1024),
16 Nvl(Round((SUM(fs.bytes) - df.bytes_used) * 100 / fs.bytes), 1),
17 Round((SUM(fs.bytes) - df.bytes_free) * 100 / fs.bytes)
18 FROM dba_temp_files fs,
19 (SELECT tablespace_name,bytes_free,bytes_used
20 FROM v$temp_space_header
21 GROUP BY tablespace_name,bytes_free,bytes_used) df
22 WHERE fs.tablespace_name (+) = df.tablespace_name
23 GROUP BY df.tablespace_name,fs.bytes,df.bytes_free,df.bytes_used
24 ORDER BY 4 DESC;
Tablespace Size (MB) Free (MB) % Free % Used
------------------------------ ---------- ---------- ---------- ----------
UNDOTBS1 130 102.5 79 21
USERS 5 3.625 73 28
VPX 1024 650.625 64 36
VUM 1000 601.75 60 40
SYSAUX 880 80.5625 9 91
SYSTEM 750 42.25 6 94
TEMP 119 0 0 100

7 rows selected.
SQL>