Access a secure web page(web service) from pl/sql

A Simple Example of Using UTL_HTTP to Access a Secure Web Page [ID 265616.1]
		Modified 26-NOV-2008     Type BULLETIN     Status PUBLISHED

PURPOSE
-------

Step by step guide to configuring UTL_HTTP for https. 

How to extract datafiles from the ASM

https://twiki.cern.ch/twiki/bin/viewfile/PSSGroup/HAandPerf?rev=1.4&filename=ASM_metadata_30012006.html

1. We find the disk group and file number of the database spfile:

sys@+ASM1> select GROUP_NUMBER,FILE_NUMBER,BYTES from v$asm_file where type='PARAMETERFILE';

GROUP_NUMBER FILE_NUMBER      BYTES

------------ ----------- ----------

           1         267       3584

2. We find the number and location of the extents where the spfile is written:

sys@+ASM1> select DISK_KFFXP,AU_KFFXP,PXN_KFFXP,XNUM_KFFXP,LXN_KFFXP from x$kffxp where GROUP_KFFXP=1 and NUMBER_KFFXP=267;

DISK_KFFXP   AU_KFFXP  PXN_KFFXP XNUM_KFFXP  LXN_KFFXP

---------- ---------- ---------- ---------- ----------

        24       3820          0          0          0

         0        176          1          0          1

3. From steps 1. and 2. above we know that the spfile is 3584 bytes long and is stored in 2 mirrored extents: one on disk 0, the other on disk 24 (on disk group). We can find the OS path of the disks with the following query (note the test system used was on Linux using asmlib):

sys@+ASM1> select failgroup,disk_number,path from v$asm_disk where GROUP_NUMBER=1 and DISK_NUMBER in (0,24);    

FAILGROUP  DISK_NUMBER PATH

---------- ----------- --------------------

FG1                 24 ORCL:ITSTOR08_2_EXT

FG2                  0 ORCL:ITSTOR11_10_EXT

4.  We can now confirm with OS commands that the mapping is correct. ‘dd’ allows the sysadmin to read the disks directly (bs=1M is the block size, while skip=176 means that the command starts reading at the offset 176M) . Using the disk name found in step 3 (only disk 0 demonstrated here) and the offsets found in step 2 we can confirm that the spfile data is at the expected physical location.

$ dd if=/dev/oracleasm/disks/ITSTOR11_10_EXT bs=1M count=1 skip=176|strings|head -4

test12.__db_cache_size=1476395008

test11.__db_cache_size=1476395008

test12.__java_pool_size=16777216

test11.__java_pool_size=16777216

How To Super-Size Work Area Memory Size Used By Sessions

Metalink note : 453540.1

How to super-size the work area memory size that can be used by any session in the database?
See also : http://dba-blog.blogspot.com/2005/08/pgamaxsize-hidden-parameter.html and  http://www.jlcomp.demon.co.uk/snark.html

Solution

With the automatic PGA management mode, you can control the size for the work area sizes (e.g. for a big sort).

Monitoring 10g Database Alert Log Errors in Enterprise Manager

Metalink note : 976982.1

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