Performance Tuning :: Command To Transfer File From Local To Remote Server

Apr 21, 2011

I ran a scp command to transfer a file from local server to a remote server. when I am trying to kill the process, its giving an error.

ksh: kill: 19258: No such process

If I do a ps -ef | grep scp its showing the process running, but if i try to kill it, its showing me error.

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PL/SQL :: Spooling Data From Remote Server To Local Machine

Feb 6, 2013

I need to spool data from a remote server using putty(sqlplus) to a local machine. There are credentials i need to give before accessing the remote databases and i am able to do it..i tired with the below query but the spool file(csv or txt) is not able to create on local machine.

set colsep ,
set pagesize 120
set trimspool on
set headsep off
set linesize 1000
set numw

spool D: estmyfile.csv
select table_name, tablespace_name from all_tables;
spool off

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Performance Tuning :: How To Find Local And Global Indexes On Particular Table

Mar 19, 2012

getting how many local and global indexes on particular oracle table

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Performance Tuning :: Only LOCAL Bitmap Indexes Are Permitted On Partitioned Tables

Feb 4, 2005

16:28:32 SQL> create bitmap index bp_idx_ag_id on transactions(type);

create bitmap index bp_idx_ag_id on transactions(type)
ERROR at line 1:ORA-25122: Only LOCAL bitmap indexes are permitted on partitioned tables

how to create bitmap index on partitiioned tables

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Performance Tuning :: Wait / Sleep Command In SQL?

Mar 15, 2012

How to use wait/Sleep command in SQL. I have to write a script that takes about 20 min to execute.

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Performance Tuning :: Local Index Versus Global Index On Partitioned Table

Jun 28, 2011

I have a huge table (about 60 gb) partition over range. The index on this table is global index created on 4 columns together. I have a query which is running very slowly. The explain plan is showing the use of this global index.Explain plan is not showing pstart and pend because the index is global.

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How To Transfer Output File From One Server To Another Using Stored Procedure

Apr 9, 2012

We are running a store procedure by calling it from shell script.The shell script is running in Server1 and the stored procedure is running in server2(which is the data base server.).

Functionality of the stored procedure:Generating a tab delimited file and place in a directory.

Requirement: The requirement is that the store should be modified in such a way that it should drop the output file to Server1 itself(The server from where it is getting called).

Attaching the store procedure for reference. mIn the store procedure,we have a variable "lv_file_dir" which currently refers to the directory location in Databse server(Server 2) We have to change this SP such that it drops the generated file in Server1 itself(From where the shell script is running).

Attached File(s)
Procedure.txt ( 3.28K )
Number of downloads: 4

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Forms :: File Transfer From Server Directory To Client?

Oct 3, 2013

I write a file on database server by following

SQL> select * from all_directories;

------------------------------ ---------------------
c: emp

and then

PROCEDURE run_query(p_sql IN VARCHAR2
,p_dir IN VARCHAR2
,p_header_file IN VARCHAR2
,p_data_file IN VARCHAR2 := NULL) IS


but I get error wut_118.

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Server Utilities :: How To Access Local File Residing At Client From DB Server

Nov 23, 2011

I have a requirement to read flat text file(around 15000 lines) residing at a client location from DB server and write into a table in One cell.

I tried UTL_FILE and DBMS_LOB but, i am not able to access client location to read the file as it reads path from Oracle Directory.

my client path is and my DB server is in unix say
file location is: \
So I created One Oracle directory as MY_DIR having DIRECTORY_PATH as '\'.
But both UTL_FILE and DBMS_LOB is not able to access the file.

Error Message:
Unable to process CLOB -22288 ~ ORA-22288: file or LOB operation FILEOPEN
No such file or directory

Few Details for reference:
File Location: \
Unix DB Server location:
Table : Test (filename varchar2(30), Content CLOB)
Oracle Dir: MYDIR
Directory_Path: \

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SQL & PL/SQL :: Downloading A File From Server To Local Machine?

Jul 3, 2012

i am working on Database 11g. I Need to download file to local after the file is created in the database directory using UTL_FILE . i am able to generate the file but not aware how to copy or download the file to local using PL/SQL . i have done the same in forms using webutil pll.

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PL/SQL :: Copy WF_EVENT_T Type Data From Local To Remote Database

Jan 24, 2013

is there a way to copy WF_EVENT_T type column data from local database to remote database.

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SQL & PL/SQL :: Ftp File To Remote Server By Reading Data From Table?

May 1, 2012

I need a way to ftp file to remote server by reading data from table. I searched a couple of sites which asked me to use Chris xutl_ftp package..but unfortunately the site is no accessible..

Here is the code

* LICENSE: GNU Lesser General Public License (LGPL)
* Copyright (C) 2003-2006 Russ Johnson (


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Performance Tuning :: New Trace File

Aug 11, 2011

I need to take the database trace of each page of my web application. I am giving the following commands.

dbms_monitor.session_trace_enable(session_id=>122, serial_num=>NULL, waits=>true, binds=>true);

Accessing the web application. Once it renders completely, I am executing the following command.


In the user_dump_dest folder, I am expecting to see a new trace whenever I execute these commands. But the same trace file is getting updated. How do I make oracle to create a new trace for each iteration. I am using Oracle 11g Release on CentOS 5.x

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Performance Tuning :: Redo Log File Size

Apr 6, 2011

The REDO log file size is important DB performance issues when DB is run archivelog mode.If DB run noarchivelog mode, REDO log file size not impact to DB performance.

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Performance Tuning :: Regarding Trace File And TKprof?

Apr 10, 2013

i want to know about trace file and TKPROF. any example.

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Windows :: Copy A File To DB Server From A Remote Machine Using Plsql / Java

Oct 2, 2013

We want to copy a file from a remote machine to the DB server. copy \<IP_ADRESS>SHARED_FOLDERsome_file.sql d:copied_file.sql

I've used Java and a wrapped it into a PL/SQL procedure so I can do :

exec run_os_command(p_command => 'copy \<IP_ADRESS>SHARED_FOLDERsome_file.sql d:copied_file.sql');

The file was not copied.

I have mapped \<IP_ADRESS>SHARED_FOLDER to x: for example and issued : exec run_os_command(p_command => 'copy x:some_file.sql d:copied_file.sql');

The file was not copied.

But when I issued from the OS prompt copy x:some_file.sql d:copied_file.sql then the file is copied.

What can I add to the PL/SQL procedure so it wil work ?

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Performance Tuning :: Optimal REDO Log File Size

Feb 10, 2011

I would like to make a change on the live system!I have read a book and found a information about REDO log file size is impact on DB performance.My DB current log file size is 100 MB. But, Oracle 10g's Redo Logfile Sizing Advisor offer the optimal log file size is 1845 MB.What REDO log file size is best for my Oracle database?

#Optimal log file size:
select optimal_logfile_size
from v$instance_recovery

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Performance Tuning :: Used Same Dmp File To Restore Data And Settings

Oct 15, 2013

I am getting back into Oracle (from a long haul in MS only env.) and am now testing Oracle installs.I have been given a task of seeing the diff. between 12c and 10.2g...I set up 2 vms (excatly same configs) and used the same dmp file (on both env.) to restore data and settings for our jobs to run.We have some aggregated data, and cubes with DIM tables each being run on the vm machines. We run nightly jobs to rebuild our cubes.

I am supposed to see/analyze the value of 12c, and understand things might vary from company to company, but am perplexed at my result.12c is half the speed of 10.2g, both env. are the same out of the box with same dmp file and same hardware.

I am using the same dmp file, with the same jobs on each machine, with both vms having 10.2g or 12c installed out of the box as is.what default oracle settings might have changed from 10.2g to 12c that could make the exact same env. run twice as slow on the 12c?

Expectations were that out of the box with both machines running same jobs on same data (from dmp files) would have it that 10.2g would be slower than the 12c, except the 12c takes 2 times as long to run the jobs. I have reviewed every possibility as I know usually the problem is the person sitting in the chair and not the pc...but I confirmed all was identical from the one vm env. to the other, except the version of oracle out of the box.

What could be done to bring that default setting back to atleast equal time between the 2, that would give me a great starting point. Otherwise, I would have to toss this up to bloatware.

I read up a bit on the CBO, and know this might have changed in there a way to bring it back to a backwards ealier config, so as to atleast match both env. execution plans?

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Performance Tuning :: Wrong REDO Log File Location

Feb 25, 2011

I try to current redo log file location to multiplex redo log configuration. I did do this on the DB.I import a backup file to DB when I made this change, but its too slow running import process from old configuration. Approximately it is 4 times slow.

when I recovery old configuration for redo log file, import process is normal running...Why this changes hit to DB import process performance? The old redo log file location is below:


The new multiplex redo log file location is below:


I think that new configuration is better for old configuration at security issue.Here is the disk partitions on the server:

-bash-3.00$ df -lh
Filesystem size used avail capacity Mounted on
/dev/dsk/c0t0d0s0 9.6G 2.2G 7.3G 23% /
/devices 0K 0K 0K 0% /devices
ctfs 0K 0K 0K 0% /system/contract

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Performance Tuning :: Elapsed Time Not Accounted In Tkprof File

Jan 13, 2011

find the attached tkprof'ed file of session

I started the trace after the query started (upon user's complaint)

However even after tracing the session for more than 30 minutes I am not geeting where the 30 minutes are accounted in this file

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Performance Tuning :: Elapsed Time In Trace File Output

Nov 16, 2011

I executed a query which executed quickly (1.7 seconds) but since its output took time in displaying on the console the time shown by 'set timing on was 39.5 seconds

also I took trace (tkprof) for the same.My query is why the timings under 'Total Waited' (43.19 and 1.69) are not added to the elapsed time 1.83 seconds

call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.00 0.00 0 0 0 0
Execute 1 0.00 0.06 0 10 0 0
Fetch 758 0.03 1.77 0 0 0 11345
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 760 0.03 1.83 0 10 0 11345

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Performance Tuning :: High CPU Utilization In RAC And Log File Sequential Read Event

Apr 13, 2011

In a 3-node RAC setup; one node is showing high CPU utilization around 40~50%. The CPU utilization was less than 20% 10 days back but from 9th oldest day it jumped and consistently shows the double figure. I ran AWR reports on all three nodes and found one node with high CPU utilization and shows below tops events-

time 5,802 34.9

ping 15 5,118 33,671 30.8 Other

Log file sequential
read 234,831 5,036 21 30.3 System I/O

more data from
client 24,1711,08745 6.5 Network

Db file sequential
read130,939 4533 2.7 User I/O

On AWR report(file attached) for node= sipd207; we can see that "RFS PING" wait event takes 30% of the waits and "log file sequential read" wait event takes 30% of the waits that occurs in database.

1)Are these symptoms of undersized log buffer?
2)I feel Network wait can be reduced by tweaking SDU & TDU values based on MDU.

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Server Utilities :: Load / Unload Csv File Using Sql Command?

Apr 5, 2010

load/unload csv file using sql command

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Application Express :: Link Local File With Browse File Dialog

Aug 15, 2012

I'm looking for a solution to hyperlink to a local file (i.e. C:/test.txt). I want that the user clicks on a "browse file" button like the file browse item. after the user selected a file or just a folder the path should be shown in a display only item. this item should be clickable...

Is it possible to create a "Browse file" dialog? I know that to link to a file is possible with some HTML tags in the "pre element text" and "post element text" fields. something like "<a href="... but I don't know how this works.

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Forms :: File Transfer Through Pl/sql Programming?

Jun 15, 2011

I am facing a issue with one of my programming application. We need to transfer a file through pl/sql programming from a unix server to another destination(target) server.

How can we do it through pl/sql programming. I learnt that oracle streams can be used for this.

I do not know what all code is required for this. send me the code for a sample text file.

I also want to encrypt with a password and zip the file

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Performance Tuning ::Distributing Datafiles In Server

Oct 26, 2010

How to distribute the datafiles among various disks of a server, so that I/O operations are improved.

I mean is there any area we need to focus while distributing the disk like:

1)Particular types of datafiles should be placed in one disk.
2)Temp/Undo/Rollback tablespaces in another disk.
3)Indexes in another disk

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Performance Tuning :: Query Sql Server Faster Than Oracle?

Feb 21, 2013

I have a query optimized as to it indexes and others runs immediately when the answer is few records in SQL Server such as Oracle, however when the result is large eg 20,000 records all data access times are very diferent. The query returns many fields (about 20) and some of them are of type Varchar 250 and some of 2000 I understand here may be the problem, but not is because for similar results (20,000 records) sql run in 2 seconds and Oracle but it responds little to have full data takes around 30 seconds. The problem is really in bringing information to all these fields since if the inquiry it also but only returning a numeric field is done in 2 seconds. Tests I've done them both through ODBC, in the Toad as in the own Oracle console on the server, so it is not problem Driver or flow of data through the network, I would like to think that this is some of the settings I think there is as much difference between Oracle and Sql. The databases are ORACLE 10 and SQL Server 2008.

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Performance Tuning :: DB Import Too Slow After Server Reboot

Jul 4, 2011

Few days ago, My database server no access to StorageBox then I reboot it then after works fine. But, know DB import process is too slow. Before 100GB DB import process completed within 10 hours when server normal running. Now 2 day working, but not complete

How to investigate this issue? Maybe I miss increase some parameters on the Server or Oracle?

Here is my server brief info:

RAM is 16GB,
SWAP size is 16GB,
CPU 12 cores

SQL> show sga;

Total System Global Area 4294967296 bytes
Fixed Size 1984144 bytes
Variable Size 369105264 bytes
Database Buffers 3909091328 bytes
Redo Buffers 14786560 bytes

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Forms :: Webutil File Transfer Directory Listing

May 25, 2010

Is there anyway to get a listing of the files in a specified directory on an ftp server using webutil?

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Performance Tuning :: Tools For Database Tuning And Instance Tuning

Jul 12, 2010

Looking to understand the difference between instance tuning and database tuning.

What is the difference between these two tuning exercises? I understand that an instance is memory based structures (logical) where as database consists of physical structures.

However, how does one tune a database the physical structure? Does it have to do with file placements/block sizes etc. Would you agree that a lot of that is taken care by ASM now in 11g? What tools are required/available (third party as well as oracle supplied) for these types of tuning scenarios?

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