How to find out the size of a database?

I'm not an oracle dba but a report developer. I'd like to find out the size of my database.
Is this possible using simple query?

An oracle database consists of data files, redo log files, control files, temporary files. Whenever you say the size of the database this actually means the summation of these files.
select a.data_size+b.temp_size+c.redo_size+d.controlfile_size "total_size in MB"
from
( select sum(bytes)/1024/1024 data_size from dba_data_files ) a,
( select nvl(sum(bytes),0)/1024/1024 temp_size from dba_temp_files ) b,
( select sum(bytes)/1024/1024 redo_size from sys.v_$log ) c,
( select sum(BLOCK_SIZE*FILE_SIZE_BLKS)/1024/1024 controlfile_size from v$controlfile) d;
here
a is megabytes allocated to ALL datafiles
b is megabytes allocated to ALL TEMP files
c is megabytes allocated to ALL redo-logs
d is megabytes allocated to ALL control files
Nimish Garg
Software Developer
*(Oracle & ASP.NET)*
Indiamart Intermesh Limited, Noida
To Get Free Oracle & ASP.NET Code Snippets
Follow: http://nimishgarg.blogspot.com

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Hi Experts,
We've a requirement that we need to find out the size of a java object at run time, is there a direct java API to get the size of a composite object in memory?
Here is my requirement: We are adding string objects (which is an xml string of considerable size) into a List. After reaching certain size limit (lets say 5MB) of the list i need to put this data into DB as a CLOB. So every time I add a string object to the list, I need to see if the total size of the list exceeds the limit and if yes, flush the results into DB.
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>
We've a requirement that we need to find out the size of a java object at run time, is there a direct java API to get the size of a composite object in memory?
Here is my requirement: We are adding string objects (which is an xml string of considerable size) into a List. After reaching certain size limit (lets say 5MB) of the list i need to put this data into DB as a CLOB. So every time I add a string object to the list, I need to see if the total size of the list exceeds the limit and if yes, flush the results into DB.
I am not sure if java has a direct API for this, if not what is the beast way to do it, it s critical requirement for us.
It would be really great if someone could help us out.
>
Could you explain your actual requirement a little more fully.
1. Is each individual string a separate XML string? Or is it just a fragment? Why would you just concatenate them together into a CLOB? That won't produce valid XML and it won't let you easily separate the pieces again later. So provide a simple example showing some strings and how you need to manipulate them.
2. Are you using these xml strings in Java at all? Or are you just loading them into the database?
For example if you are just loading them into the database you don't need to create a list. Just create a CLOB in Java and append each string to the CLOB. Before you append each one you can check to see if the new string will put you over your length limit. If it will then you write the CLOB to the database, empty the CLOB and start appending again to the new clob instance.
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An oracle database consists of data files, redo log files, control files, temporary files. Whenever you say the size of the database this actually means the summation of these files.
select a.data_size+b.temp_size+c.redo_size+d.controlfile_size "total_size in MB"
from
( select sum(bytes)/1024/1024 data_size from dba_data_files ) a,
( select nvl(sum(bytes),0)/1024/1024 temp_size from dba_temp_files ) b,
( select sum(bytes)/1024/1024 redo_size from sys.v_$log ) c,
( select sum(BLOCK_SIZE*FILE_SIZE_BLKS)/1024/1024 controlfile_size from v$controlfile) d;
here
a is megabytes allocated to ALL datafiles
b is megabytes allocated to ALL TEMP files
c is megabytes allocated to ALL redo-logs
d is megabytes allocated to ALL control files
Nimish Garg
Software Developer
*(Oracle & ASP.NET)*
Indiamart Intermesh Limited, Noida
To Get Free Oracle & ASP.NET Code Snippets
Follow: http://nimishgarg.blogspot.com

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Hi,
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Hai,
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Bye.

Hi,
check trasaction DB02 where u can find the cube size..
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Dont forget to assign points
Message was edited by: vishnuC

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Hai
Is it possible ,how to find out the size of transaction ?
Any one idea about this should be appreciated
Regards
mohan

Hai
Is it possible ,how to find out the size of transaction ?
Any one idea about this should be appreciated
Regards
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"name294" <[email protected]> wrote in
message
news:gpiuqv$9on$[email protected]..
> how do i find out the file size of a webpage im viewing
in my browser? and
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How to find out the database-size

Hello,
how can I find out the size of the database.
I created the user as below. I defined the size of the database to 2MB. Now I want to know how much is the size of the database.
CREATE USER oemer
IDENTIFIED BY ...
DEFAULT TABLESPACE system
QUOTA 2M ON system;

Actually, since Omer is a veteran poster to the Forms and Reports forums, I doubt that. I think he is making a much more interesting journey: from front-end to back-end.
I'll be a bit more helpful this morning.
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So, the size of the database is the sum of its datafiles. Of course, some tablespaces are used for sorting and holding undo information, so the size of the database for the purposes of persisting data is:
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/The SYSTEM tablespace is special. It is used by Oracle to hold the data dictionary, the definitions of all the objects in the database. It should not be used for storing application objects (it affects the performance, apatrt from anything else). That is why we must not use it as a default tablespace.
CREATE USER oemer
IDENTIFIED BY ...
DEFAULT TABLESPACE ts_users
QUOTA 2M ON ts_users; Cheers, APC

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<Edited By Host>

How to find out the size of a database?

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