Server Administration :: Increase SGA Parameter
Jul 22, 2010
SQL> alter system set sga_max_size=1G scope=spfile;
System altered.
SQL> startup force
ORA-12545: Connect failed because target host or object does not exis
SQL> show parameter sga
ERROR:
ORA-03114: not connected to ORACLE
SQL> startup force
ORA-24324: service handle not initialized
ORA-01041: internal error. hostdef extension doesn't exist
SQL> startup
ORA-24324: service handle not initialized
ORA-01041: internal error. hostdef extension doesn't exist
SQL> startup force
ORA-24324: service handle not initialized
ORA-01041: internal error. hostdef extension doesn't exist
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Jan 31, 2011
How to know DB size increase per hour or day on the Oracle?
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Jul 30, 2013
Tengo instalado el Oracle 9i en un windows server 2003 a 32 bits pero solo reconoce 2 gb de ram de memoria, como puedo hacer que reconozca mas memoria?
I have installed Oracle 9i on windows server 2003 32 bit but only recognizes 2 gb ram memory, what can i do to recognize more memory?
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Feb 2, 2012
I am trying to increase the size of sga or you can say that i want to make my sga in automatic memory management...Following is the steps i am trying
SQL> show parameter sga_max_size;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
sga_max_size big integer 96M
SQL>
after that i am trying to increase the size
SQL> alter system set sga_max_size = 200m;
alter system set sga_max_size = 200m
*
ERROR at line 1: ORA-02095: specified initialization parameter cannot be modified
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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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Mar 26, 2010
We had a database (DB A)that is having version 9.2.0.6.0.This DB is having multiple tables and volume of 6 million in individual tables.Another database is also 9.2.0.6.0 (DB B), this DB has Mviews pointing to DB A. Mviews are refreshed in every 15 mins, with fast refresh option in 90% cases and remaining having complete refresh.
Last weekend we have migrated DB 2 to version 10.2.0.4.0 - 64bi and on another server.After version upgrade and DB migration complete refresh was done once for all mviews.
Now DB A is generating huge amount of archive log and also it's UNDO space is getting fully consumed causing performance issue and DB hang.what has gone wrong and what we can do to improve response of DB A and also to reduce size of Archive log ?
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Jun 4, 2013
I want to increase my shared pool. my SGA values are as under below.
SELECT NAME,SUM(VALUE)/1024/1024/1024 gb FROM V$SGA
GROUP BY NAME;
Database Buffer 4.8125
Redo Buffers 0.0782623291015625
Variable Size 19.0000001564622
Fixed Size 0.00208648294210434
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Jul 8, 2010
I am oracle DBA (trainee) new in this field.
Some time my temporary tablespace size suddenly increase from 1gb to 5-6gb why this happened ? I want only reason why it suddenly increase?
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Jun 3, 2010
I am studying Oracle® Database VLDB and Partitioning Guide 11g Release 2 (11.2),
ORA-14767: Cannot specify this interval with existing high boundsby giving an example other than given in the above mentioned document.
the example given in the document is as follows:
To increase the interval for date ranges, then you need to ensure that you are at a relevant boundary for the new interval. For example, if the highest interval partition boundary in your daily interval partitioned table transactions is January 30, 2007 and you want to change to a monthly partition interval, then the following statement results in an error:
CREATE TABLE transactions
( id NUMBER
, transaction_date DATE
, value NUMBER)
PARTITION BY RANGE (transaction_date)
[code]/...
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Dec 9, 2011
I often use "alter session set xxx=xxx;" command to change parameter value temporarily. After that, how to reset parameter value to default and I don't want logout sqlplus.
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Aug 31, 2010
How to change db timezone parameter. My application team has asked me to change the db timzone parameter by following sql.
ALTER database SET TIME_ZONE = '+10:00';
Is this way is the correct one , and do we have any impact on database and does it require a db bounce.
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Jul 29, 2011
It always used to be that Automatic Memory Management and Linux huge pages were incompatible: you had to use one or the other. But 11.2.0.2 has new parameter, USE_LARGE_PAGES. This isn't documented apart from a few articles on metalink, but Googling it suggests that if it is on TRUE (the default) or ONLY then I can use AMM with huge pages.
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Dec 9, 2011
I have a question ragarding undo tablespace. I want to ask that why only undo tablespace information we need to specify in parameter file. We do not specify any other tablespace information. Not even for temporary tablespace. Then why we need to give undo tablespace name while instance is creating.
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Apr 29, 2012
which initializaion parameter cant be change after creating the database?
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Nov 4, 2013
We have migrated database data from physical servers to virtual servers. i want to ensure all database parameters are set correctly in both physical and vblock servers. My question is what are all the parameters need to check and compare in both servers to ensure database from both servers ( physical/vblock ) are in sync.
Database used -- RAC database
OS used -- RHL 5.7
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Aug 27, 2012
When I list the parameters with "show parameter", I get only numeric value for hash_area_size with no unit, what is the unit for that value and conversion of it to MegaBytes.
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May 11, 2012
I want to change cursor_sharing, open_cursors and session_cached_cursors parameter values for SPFILE (Only SPFILE) using SQL Query.
I have found following SQL Queries, but I don't know these queries are only for SPFILE or not.
ALTER SESSION SET cursor_sharing='EXACT';
ALTER system set open_cursors=2500;
ALTER SESSION set session_cached_cursors=70;
I need SQL Queries only for SPFILE.
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Mar 26, 2013
I have a simple question about database sessions. The value of parameter "sessions" is set to 500 and the users connect to database through an application server(Jboss). There are more than 500 users connect to the database through application.
My question is, how more than 500 users can connect to the database without any issue, if we set the value of "sessions" parameter to 500?
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Mar 20, 2013
quick check on a hidden parameter? I need to know the default value and possible values for _serial_direct_read on various releases, I have only 11.2.0.3 available right now and I'ld like to know this for 11.2.x.x 11.1.x.x, and 10.2.x.x.
Below is the query that will show what it is currently which (unless you've changed it) will be the default: auto for my 11.2.0.3. Then to see the options, try to set it to something wrong, my options are false/true/never/auto/always. I think false/true were the only choices for 10.2 and are maintained only for compatibility. But I can't rememebnr 11.1.
orcl>
orcl> set lin 80
orcl> select KSPPSTVL from x$ksppcv join x$ksppi using (indx) where ksppinm='_serial_direct_read';
KSPPSTVL
--------------------------------------------------------------------------------
auto
orcl>
orcl> alter system set "_serial_direct_read"=rubbish;
alter system set "_serial_direct_read"=rubbish
*
ERROR at line 1: ORA-00096: invalid value RUBBISH for parameter _serial_direct_read, must be from among false, true, never, auto, always
orcl>
update: added 11.1.x.x to my wishlist
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Nov 9, 2011
I am getting the following error while starting database.
ORA-32004:obsolete and/or deprecated parameter(s) specified
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Dec 15, 2010
How oracle deals with the setting of init.ora parameter compatible.
e.g. we have
DB Version=10.2.0.4
compatible=10.2.0
what is the possible leak for us ? Is there any description about the features changed in 10.2 up to 10.2.0.4 in all steps - so that we can check out which functions we do not have.
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Jan 31, 2012
I have a question about spfile.
SQL> SELECT COUNT(*) FROM v$parameter WHERE value IS NOT NULL;
COUNT(*)
----------
246
SQL> SELECT COUNT(*) FROM v$spparameter WHERE value IS NOT NULL;
COUNT(*)
----------
20
v$parameter displays information about the initialization parameters that are currently in effect for the session,but v$spparameter displays information about the contents of the spfile.I want to know why the count of parameters whose values are not null in v$parameter is greater.where are they from? My initialization parameter file is spfile.
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Apr 12, 2013
i try to startup a database, and get that obsolete/deprecated parameter specified(ORA-32004: obsolete and/or deprecated parameter(s) specified)so i try to reset the parameter, but it seems it is already reset(not in spfile), so maybe this is in memory. SO now i try to reset with scope = memory or both, it gives this error(ORA-32029: resetting with SCOPE=MEMORY or SCOPE=BOTH is currently not supported).
what to do, because now i cannot reset with scope = memory and in spfile it is not there but still it comes in deprecated parameter.
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Aug 27, 2009
We are just but new oracle 10g(10.1.2.0.2) Database and application server ( form and report server ).have installed application server on window server 2003.
it will running ,but it is used lots of memory.so the performance decrease when user increase.
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May 20, 2011
How to create parameter files i.e. (.par) files for expdp/impdp..
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Jan 12, 2011
We are having daily syncing script which use to drop and import of one major schema.
When we do import with parameter BUFFER=209715200, it takes approximatively 4 hours & when we do without the parameter it takes 6 hours.
So i humbly request to above scenario of import process with buffer parameter in concern.
Also to expose, import is done in freeze hours.
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Nov 20, 2012
when i check the free space of tablespaces,i found that sysaux increase so rapidly that i must increate in less than a week!when i checked the sysaux using v$sysaux_occupants ,and i found than
select occupant_name,space_usage_kbytes from v$sysaux_occupants;
the result :
OCCUPANT_NAME SPACE_USAGE_KBYTES
SM/AWR 3159680
[code]...
i also use the package: exec dbms_workload_repository.drop_snapshot_range(),it din't work!!!!
in my test db,i rebuild awr,it works ,but is there any risk to rebuild in my real db?
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Aug 5, 2012
I taking export using consistent parameter. Theoretically i can understand . practically i couldn't understand how it works.
for ex
I am updating tab1 table under sams user. table having one lakh records.
while updating the query using consistent=y and consistent=n. i mean
exp sams/sams file=cons.dmp owner=sams consistent=y
exp sams/sams file=cons2.dmp owner=sams consistent=n
then both files imported to separate user(sam ,san).
Updated info not visible in san and sam user.
I want to know practically how it works. I need perfect example. while using consistent=y and consistent=n
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Jan 11, 2013
I am new to SQL*loader and I would like to know what is the maximum number of ROWS that can be loaded in a Conventional bind array while specifying the command line parameter.
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Aug 6, 2012
Export /Import
==============
While exporting schema's
i couldn't export dump file to exact location i mean see following query : -
QUERY
=====
exp file=ackupfile1.dmp,ackupfile2.dmp,ackupfile3.dmp
owner=(order,purchase) filesize=5m as os level ,
I fould those dump files files home directory.
-rw-r--r-- 1 oracle oinstall 5242880 Aug 6 19:38 expfile1.dmp
-rw-r--r-- 1 oracle oinstall 5242880 Aug 6 19:38 expfile2.dmp
-rw-r--r-- 1 oracle oinstall 5242880 Aug 6 19:38 expfile3.dmp
[oracle@localhost ~]$ pwd
/home/oracle
when i listing
rw-r--r-- 1 oracle oinstall 72 Jun 20 21:17 afiedt.buf
drwxr-xr-x 3 oracle oinstall 4096 Jun 17 10:07 Desktop
-rw-r--r-- 1 oracle oinstall 71 Jun 19 20:42 ed.hup
drwxr-xr-x 2 oracle oinstall 4096 Aug 6 19:38 backup
-rw-r--r-- 1 oracle oinstall 2826240 Aug 6 19:39 expdat.dmp
-rw-r--r-- 1 oracle oinstall 5242880 Aug 6 19:38 expfile1.dmp
-rw-r--r-- 1 oracle oinstall 5242880 Aug 6 19:38 expfile2.dmp
-rw-r--r-- 1 oracle oinstall 5242880 Aug 6 19:38 expfile3.dmp
Dump file goes to home path even if i mentioned appropriate location.
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