Size Of Database

Aug 24, 2009

i have few questions to ask.

1)How to find out the total size of my database.

2)what is dblink and how to find out the same.

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Database Size Required For SOA?

Jun 19, 2012

I will be installing SOA Suite with OSB in Exalogic for testing. It is not for the production environment and very simple application will be used for testing. Database admin asked me what size database would be required but I did not find clear answer in the documentation anywhere.

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Reduce The Size Of Database

May 9, 2013

We have Oracle 10G database over Unix platform, Customer want to reduce the size of database as much as possible and the ami of customer to move the storage area of this database to other one. so we resize some datafiles and get lots of free space at mount point but while checking the utilzation of table is showing some what different as other. Below O/P:

                                                                                                                       %
                                                                                    %                         MaxPoss    Max
Tablespace Name                         KBytes            Used            Free   Used         Largest          Kbytes   Used
------------------------------ --------------- --------------- --------------- ------ --------------- --------------- ------
*a DATA                             45,875,200       8,740,992      37,134,208   19.1       1,728,512     100,663,248   45.6
*a HIGH_S_DATA                      21,504,000       1,331,520      20,172,480    6.2       3,048,704               0     .0
*a HIGH_S_IND                       15,360,000         853,568      14,506,432    5.6       1,661,504               0     .0

[Code]....

above all o/p is different, no able to understand it. is there any way to reset the HWM at Datafile level and how we reset the HWM of those tables having Materlized view?

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Database Block And Cache Size

Oct 5, 2010

In Oracle 9i

I know that db_block_size defines the standard/default block size for my datafiles.

I know db_cache_size defines the size of the my default database buffer of the size of my standard/default block size.

db_block_size = 8192 (8k)
db_cache_size = 200Mo of 8k block

Is there any needs for the other buffer cache

db_16k_cache_size
db_4k_cache_size
db_32k_cache_size

and so on?

If I have NO datafiles other than of the default block size, would I need to define a size for those other buffer pool? Is there any process that would benifit of these pools?

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Security :: Database Field Size

Nov 28, 2012

We have Employee table, there is a field name Employee_no. field size is 6.can we restrict some one not to increase or decrease the field size of Employee_no. even User has admin role.

is there any way to restrict admin user that he should not allow to enter the value of field more or less than 6 characters through Toad or SQL Plus 8.0.
------------------------------------------------------
for example

field: employee_no
feild_size: 6
field_type: Varchar2

When we enter Employee no A000001(7 digit) then database not allowed to update because its field size is 6 characters we want to restrict admin user in Toad or SQL Plus 8.0 because he is Toad and SQL Plus user.

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Server Administration :: Size Of The Oracle Database 11g?

Apr 21, 2010

how can we find the size of the oracle database 11g.

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SQL & PL/SQL :: How To Find Size Of View Or Table In Database

Jul 10, 2010

How can we find the size of a view or synonym or table in a database. What is the code.

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Server Administration :: Increase Size Of Database To 50 GB

Jan 31, 2013

I have Oracle 11gR2 running on windows xp machine. Windows xp has total size of 150 GB and free space of 95 GB.

I checked the size of the database that I created. It showed the total size of the database as 2 GB and used space as 2 GB. If I want to increase the total size of the database to 50 GB, what should i do? Now which is the disk space size? Windows or Oracle?

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Server Administration :: How To Get Size Of All 80 Users From Database

Mar 19, 2012

select username,account_status,default_tablespace from dba_users;

The ran the above query and it return 80 users but when i ran below query it shows just 14 rows.

select owner,sum(bytes)/(1024*1024) "GB" from dba_segments group by owner;how to get the size of all 80 users from database ?

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Server Utilities :: Estimate Size Of FlatFile Based On Table Size?

May 8, 2013

We are planning to export the table data to a file pipedelimited. How do i estimate the size of the FlatFile based on the table size? or avg rowlength

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Server Administration :: How To Reduce Size Of TEMP DBF File Size

Apr 13, 2011

I am using oracle 8.1.5 database and my temp01.dbf file size is increased upto 19.8 GB now i want reduce its size .

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Server Administration :: Estimating Size Of Database / Datafiles

Jul 3, 2010

I have checked the space of my tablespaces/datafiles in my database. I have 8 GB space left in my database server. I cant add more hard-disk as there is no slot left. We r planning to buy a new server with latest config.

My question is, how can we know upto what size our database can increase and when a datafile need to be added in advance. Sometimes even though datafiles have space left,it shows errors abt extents cannot be extended. We have coalesce the tablespaces and added a new datafile.

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Server Administration :: Size Storing JPG File In Database

Feb 13, 2012

I am storing customer's snaps in a table ( column's data type as LONG RAW) using oracle forms Webutil. Now there are 250 snaps in the table. The file type of these snaps is JPG with the average size 30KB.

I made a backup using export utility before storing these snaps and the exported DMP file's size was 36MB. Now after storing these just 250 snaps of 30KB the DMP file's size is gone over 300MB.

i need to change column's datatype? or some where in oracle forms's image item. Because on window's file system the size of these files is just 8MB.

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Size Of Typical Oracle Database Install Plus Service Pack?

Aug 25, 2011

I was just asked by one of the sysadmins what the typical size of an oracle database install plus service pack be?

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Server Administration :: Index Rebuild Grows Database Size

Oct 29, 2010

Our database size is 100GB and i removed few records from a table and rebuild the index.The size of Index reduced considerably after Index rebuild but now i see our database size increased to 115GB.I know online rebuild creates second index which is also removed after the build is finished then why the increase in database size?Is there a way so it shows up more space ?

select sum(bytes) from dba_segments where owner='abc' and segment_name='abc_index_1';
8GB

ALTER INDEX abc_index_1 REBUILD ONLINE ;

select sum(bytes) from dba_segments where owner='abc' and segment_name='abc_index_1';
2GB

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Server Administration :: Control File And Database Block Size?

Oct 24, 2011

SQL> select block_size from v$controlfile;

BLOCK_SIZE
----------
16384

SQL> show parameter db_block_size;

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_block_size integer 8192

the 2 can have difference block size?

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Performance Tuning :: Tablespace With Different Block Size Inside Same Database?

Nov 25, 2011

All the analysis till now on our system proves that our system is clearly I/O bound and db sequential read is the biggest culprit.

We have even identified the index which is being affected by sequential read. I am thinking of creating a new tablespace with 32K blocksize (currently all table spaces are 8k) and migrate this index to the new space. That way, Oracle will have to do less number of reads to get the required data.

But is there anything wrong in having just one tablespace with a differnt block size? Or is there anything that I have to be watchful about while doing it?

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Enterprise Manager :: Querying Grid Control Tables To Find Size And Name Of Database?

Sep 25, 2012

query to get the name and size of all the databases associated to grid..

I need to find this to do capacity planning in our environment.

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Server Administration :: ORA-04030 - Split From Tablespace With Different Block Size Inside Same Database

Nov 26, 2011

i written this code i m facing ORA-04030: out of process memory when trying to allocate 16408 bytes error

/* Formatted on 2011/11/26 11:52 (Formatter Plus v4.8. */
DECLARE
row_id varchar2(50);
v_batch_id temp.batch_id%TYPE;
v_slab_id temp.slab_id%TYPE;
flag NUMBER (2);
num varchar2(50) := &row_id;

[code].....

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Backup & Recovery :: Database Size Is 30GB Is It Recommended For RMAN Backup

May 22, 2012

database size is 30GB is it recommended for RMAN backup

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Row Size Of Two Different Row In Table?

Sep 13, 2011

One of my user is asking to give me the size(bytes) of row 39 and size(bytes) of row 49 of a table ZETR.

as i am not aware of how to collect size(bytes) for a particular row.

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SGA And PGA Size Allocation?

Nov 21, 2012

I Have a server System Configuration with

RAM size: 16GB Ram & Hard disk Size of 1TB.

I Installed Oracle 11g R2 in the server SystemI want to Allocate Dedicated Memory for oracle..How Should i calculate the Memory size of SGA+PGA for good Performance..

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RMAN Backup Size?

Apr 18, 2012

I have Oracle database.I take rman backup everyday.Also I set a scheduled backup script.But scheduled backup size is 166MB,but if I take manual rman backup(rman>backup database) this backup size will 2.8GB.This backup isn't incremental backup.

I wrote 3 batch script.Finally this backup script call

backup script:

run
{
backup database plus archivelog delete input format 'C:\db_11g_backup\backup\oracle_scheduled_backup\backups\%d_%t_%s.rman';

[Code]...

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Increasing Data Size

Oct 3, 2013

How to increase ASM DATA free size? I tried deleting expired backups and old archive logs which are backed up more than one time. Still no success ..

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SQL & PL/SQL :: Nvarchar2 Maximum Size

May 11, 2011

I'm having some issues with my NVarchar2 columns that I want to solve

My current NLS_CHARACTERSET is 'AL16UTF16', and therefore I can only create NVarchar2 columns with an maximum extension of 2000 bytes. But I do need a column with 4000 bytes length. How can I create an 4000 NVarchar2 column?

(I do not want to use a CLOB column...only a NVarchar2)

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SQL & PL/SQL :: How To Know The Block Size Of A Table

Jul 12, 2011

AS of we know that we can get the number of blocks occupied by data in a table by querying the user_tables Data Dictionary.

My questions are,

1.)how to know if i want the each block size ?(i.e each block size either it is 4kb or 8kb or 16kb..)?

2.) Is the block size is same for all blocks in a table and in Database or it varies?

3.)The block size is DB dependent or Table dependent or Machine dependent(32-bit, 64-bit and OS)?

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Forms :: Getting Size Of Image In 6i?

May 17, 2013

I have a form that loads an image. Before storing the image on the database, I want to verify the size of the image. If the image is 0kb, I want to pop up a warning message and fail the load into the database.

I am using Forms 6i Version 6.0.8.23.2

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SQL & PL/SQL :: How To Find OS Block Size

Oct 25, 2002

I find posted and written in many places that the DB block size should be a multiple of the OS block size. I can't find any information, however, on how to find what the OS block size is for an OS. How to find the OS block size for Windows and UNIX systems (Solaris, Linux, and HP-UX)?

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What Will Be Initial Extent Size

Oct 29, 2010

I've read the documentation that describes the storage management.I create a tablespace as:

CREATE TABLESPACE MY_TABLESPACE_NAME
DATAFILE 'path/filename1.dbf' SIZE 3000M AUTOEXTEND ON NEXT 200M MAXSIZE 4000M
LOGGING
ONLINE
PERMANENT
EXTENT MANAGEMENT LOCAL UNIFORM SIZE 1M
BLOCKSIZE 8k
SEGMENT SPACE MANAGEMENT AUTO
FLASHBACK ON;

As the extent management is local, does it mean that any storage clause of the objects (tables, indexes etc.) placed in it isn't taken into consideration? I mean in a case of placing a table in the mentioned tablespace that has a storege parameters defined as follows:

CREATE TABLE MY_TABLE(
...
)
TABLESPACE MY_TABLESPACE_NAME
PCTFREE 10
INITRANS 1
MAXTRANS 255
STORAGE (
INITIAL 100M
NEXT 20M
MINEXTENTS 1
MAXEXTENTS 50
BUFFER_POOL DEFAULT
)

1. what will be the initial extent size? 1M or 100M?
2. what will be the next extent size? 1M or 20M?
3. will the maxextents parameter be taken into consideration?
4. when i'm sure the tablespace is dedicated to keep only one object [MY_TABLE], what should be the relation between the initial datafile size [filename1.dbf] and the initial extent size? Should they be iqual or doesn't matter?
5. as the SEGMENT SPACE MANAGEMENT is AUTO, the PCTFREE param doesn't make sense, right?

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Performance Tuning :: SGA-MAX-SIZE To More Than 2G?

Aug 10, 2011

I am running Oracle 10.2.0.1.0 on MS Windows 2003 server 64-bit with 16G RAM.

Here is the findings for my Oracle database.

SQL> select * * from v$sgainfo;
NAME BYTES RES
-------------------------------- ---------- ---
Fixed SGA Size 1293560 No
Redo Buffers 7094272 No
Buffer Cache Size 830472192 Yes

[code]...

I find that the SGA component "Buffer Cache" is decreasing from the start "1.8G" and down to now 0.8G. On the other hand, the component "Shared Pool" is increasing from the start 0.3G to now 1.2G. I noticed that there are 100 operations of shrinking of "Buffer cache" and growth of "Shared Pool" in Oracle every day.Is it a indicator that I should raise up the SGA_MAX_SIZE?

I tried to increase the SGA_MAX_SIZE to 4G. But I cannot start the Oracle afterward.Is it a limitation of MS Windows(OS) or Oracle?I set the SGA_MAX_SIZE to 3G. This time, I can startup Oracle.What is the optimum/maximum I can set to SGA_MAX_SIZE?Is there any adverse effect/concern when setting the SGA_MAX_SIZE more than 2G?

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