Oracle Advance Compression

Hi All,
I am new to Oracle. I need to implement Oracle Advance compression in my dataware house database.
My DB version is 11.1.0.7.0 I applied the latest patchset updates to include the patches that are needed for Oracle Advance compression.
My doubt is , Is it necessary to shut down the database before enabling the table compression and index rebuilding?
please clarify me.
Thanks
VBK

No you will not need to bounce the database.
However to get the compression on existing data you will need to reload the table and/or table partition.

Similar Messages

Oracle Advance Compression Deletion Performance issue in 11g R1

Hi,
We have implemented OAC in our datawarehouse environment to enable table and index compression. We tested in our Test machine and we gained almost 600GB due to advance compression without any issues and all the informatica loads are running fine. And hence we implemented the same in our production but unfortunately two sessions which are involving deletion of data are taking more time (3 times of actual timing) for completion which affects our production environment.
The tables creating issue are all non partitioned tables.
I need to know whether Oracle Advance Compression will decrease delete performance? and is there any way to disable advance compression on those particular tables?
Our environment details:
DB earlier version: 11.1.0.6
DB current version : Oracle 11.1.0.7
Applied PSU: 11.1.0.7.6
Operating system: Solaris 5.9
Syntax used for compression:
ALTER TABLE TABLE_NAME MOVE COMPRESS FOR ALL OPERATIONS;
Thanks in Advance.

Hi,
Thanks for your reply.
The note is for update performance issue and also I have applied necessary patches for improving update performance.
The update sessions are all working fine. only the deletion sessions are creating problem.
Could someone help me out to clear this problem.
Thanks,
VBK

HOW to enable oracle advance compression for EXIST partitioned table

Hi All,
I have to enable oracle advance compression for existing table which PARTITION BY RANGE then SUBPARTITION BY HASH.
ORacle version: 11.2.0.2.0
Please provide me any relevant doc or any exp.
Thanks in advance.

could not see any text for how to enable oracle advance compression for EXIST partitioned table.RTFM.
From the resource above:
How do I compress an existing table?
There are multiple options available to compress existing tables. For offline compression, one could use ALTER TABLE Table_Name MOVE COMPRESS statement. A compressed copy of an existing table can be created by using CREATE TABLE Table_Name COMPRESS FOR ALL OPERATIONS AS SELECT *. For online compression, Oracle’s online redefinition utility can be used. More details for online redefinition are available here.
"

Is UTL_COMPRESS a part of Oracle Advanced Compression?

Hi,
I am planning to use UTL_COMPRESS for some need to compress an file. But heard it is a part of Oracle Advanced Compression and we don't have license for that and cannot be used.
Can any one have any idea whether it is a part of Ora Adv Compression or not?
Thanks in advance,
Pradeep.

Two different things? Oracle Advanced Compression http://www.oracle.com/technology/products/database/oracle11g/pdf/advanced-compression-whitepaper.pdf
And utl_compress - a package provides an API to allow compression and decompression of binary data (RAW, BLOB and BFILE).

Oracle Advanced Compression Option - Effect On RMAN Backup

My client is interested in introducing Oracle's Advanced Compression capabilities into their 11g landscape. My questions are related to the effects RMAN Compression has on backup infrastructures. I need to understand the impact/reduction in Data Domain or tape that can be expected.
1. What has been the experience with implementing RMAN Compression? Are there any lessons learned you can share?
2. There are three levels of compression -- LOW, MEDIUM & HIGH. What compression ratios have you seen for any/all of these levels?
3. Have you experienced any effects on server performance or any impact on database and backup functionality, when RMAN Compression is running?
I would appreciate any insights you can share.

Our main purpose for buying this option was OLTP compression. Just by this you can save tons of space(ofcourse it depends upon the type of data).
With RMAN , in maximum compression mode ,your CPU usage will go high so make sure not to schedule the backup with heavy activities on the database.
Page 10- 14 will help.
http://www.oracle.com/technetwork/database/performance/global500acotwp0511final-396808.pdf

Compressed table using oracle advanced compression but space is not release

Dear Experts,
I am using oracle 11.2.0.2 with sap as application
I have compressed one of my largest indetified table "SWWCNTP0" as per below statement
Alter table sapsr3.SWWCNTP0 compress for oltp;
After this i have performed reorg for the above table but it doesnt released the space
before reorg 39gb
after reorg 39g
Please advice
Regards
Navin Somal

906078 wrote:
Dear Experts,
I am using oracle 11.2.0.2 with sap as application
I have compressed one of my largest indetified table "SWWCNTP0" as per below statement
Alter table sapsr3.SWWCNTP0 compress for oltp;
After this i have performed reorg for the above table but it doesnt released the space
before reorg 39gb
after reorg 39g
Please advice
Regards
Navin SomalHow did you go about doing the reorg?
He's a simple working example ...
ME_ORCL?create table to_compress as
2 select * from all_objects
3 union all
4 select * from all_objects
5 union all
6 select * from all_objects
7 union all
8 select * from all_objects
9 union all
10 select * from all_objects;
Table created.
Elapsed: 00:00:16.74
ME_ORCL?select bytes
2 from dba_segments
3 where segment_name = 'TO_COMPRESS';
             BYTES
          44040192
1 row selected.
Elapsed: 00:00:00.06
ME_ORCL?alter table to_compress compress for oltp;
Table altered.
Elapsed: 00:00:00.09
--we don't expect any change here, because this only affects subsequent operations on the table, we need to MOVE the table to see any benefits in the existing data
ME_ORCL?select bytes
2 from dba_segments
3 where segment_name = 'TO_COMPRESS';
             BYTES
          44040192
1 row selected.
Elapsed: 00:00:00.08
ME_ORCL?alter table to_compress move compress for oltp;
Table altered.
Elapsed: 00:00:01.08
ME_ORCL?select bytes
2 from dba_segments
3 where segment_name = 'TO_COMPRESS';
             BYTES
          14680064
1 row selected.
Elapsed: 00:00:00.02
ME_ORCL?

Basic vs Advanced Compression in Oracle 11g

Hi,
We are going to install Oracle 11gR2 in one new database server. Since the database will be used for Data Warehouse purposes and our company has rejected to pay licenses for "Oracle Advanced Compression", I wanted to know which options of "Basic Compression" are suitable for us, if we want to compress the biggest tables in our environment.
Thanks in advance for your feedback.
Regards,
Rubén

Hi;
OAC mean you need to pay extra money to oracle. We are using basic compression in our env. Please check this search. Check first 4 links which is explain already how&what basic compress
PS: This is installation related forum site. For your similar issue please use Oracle Discussion Forums » Oracle Database » General Questions forum part
Regard
Helios

Question about advance compression in Oracle 11gR2

Hi,
I am on Oracle 11gR2 on Solaris 10. I want to run the oracle advance compression advisor for my database and get compression ratios for the tables, how can I do it? I am looking for a sample command to run this advisor package (dbms_compression) from sqlplus.
Can someone please suggest.
Thanks,
Nirav

Thanks SriniChavali and Stefan. I can't make more answer "Helpful' so I couldn't do that for your answers! Here is my point. In Jonathan's blog i see this remarks:
"Sadly it seems that “compress for OLTP” (formerly “compress for all operations”) doesn’t compress for all operations, it compresses only for inserts, and the benefits it has over basic compression are that (a) it leaves 10% of the block free for updates, and (b) it doesn’t require direct path inserts to trigger compression. Given the limitations on how it works you may find that the problems it brings might make it something you want to avoid.... this is at this link: http://allthingsoracle.com/compression-in-oracle-part-3-oltp-compression/
To date I’ve only heard complaints about OLTP compression (there’s an element of self-selection there as no-one ever calls me to look at their system because it’s running so well and has no problems). A common thread in the complaints I have heard, though, is about the significant amount of row migration (once it has been noticed), the extra CPU, and ”buffer busy waits”.
Compression for OLTP is (according to the manuals) supposed to be able to compress during updates – but it doesn’t (at least, as far as I can tell); this means that you can easily end up suffering a large number of row migrations on updates, which can result in extra random I/Os, buffer busy waits, and increased CPU and latch activity.
If you can work out a good strategy for using OLTP compression, though, think carefully about making a choice between freelist management and ASSM – there seem to be some undesirable side effects that appear when you mix OLTP compression with ASSM."
Note that I am not that technical and I hope I have not mis-quoted. I am trying to figure out if this is a good option or not and seeing some findings that it may not be so good and seeing at some other places notes that it is indeed very good.
Best regards

Oracle spatial data compression (using advance compression).

What are the bast practice for oracle spatial to compress data using advance compression).
ver. 11.2.0.3

Details about Advanced Compression can be found in:
Oracle E-Business Suite Release 12.1 with Oracle Database 11g Advanced Compression (Doc ID 1110648.1)
Is Advanced Compression Supported In The E-business Suite ? (Doc ID 1368152.1)
https://blogs.oracle.com/stevenChan/entry/using_advanced_compression_with_e-business_suite
Thanks,
Hussein

Which tables are suitable for advanced compression in R12.1.1 vision db

I want to use advanced compression in our R12.1.1 test env and I want to know which R12 tables are suitable for that?(I want make a script for compressing our VISION DB automatically)
for example, table like GL% and ... ?
some table contain long/long raw data_type ,so if I compress all tables in a tablespace(like APPS_TS_TX_DATA) ,filter long/long raw table will became a time-cosuming job..
thanks

Hi,
for example, table like GL% and ... ?I believe this is no direct answer to your question as this depends on the number/type of records you have in your tables, and this varies from one organization/environment to another. You could calculate the size of the tables and decide which tables need compression by yourself.
some table contain long/long raw data_type ,so if I compress all tables in a tablespace(like APPS_TS_TX_DATA) ,filter long/long raw table will became a time-cosuming job..Please see if these links help.
Early Benchmarks: Using Advanced Compression with Apps 12
http://blogs.oracle.com/stevenChan/2008/11/early_benchmarks_using_advanced_compression_with_ebs.html
Using Advanced Compression with E-Business Suite Databases
http://blogs.oracle.com/stevenChan/2008/10/using_advanced_compression_with_e-business_suite.html
New Whitepaper: Options for Reducing E-Business Suite Database Sizes
http://blogs.oracle.com/stevenChan/2008/12/whitepaper_options_for_reducing_ebs_database_size.html
Regards,
Hussein

Comparision of Advanced compression with Compression using Network Device

Has anyone compared the compression ratio that Oracle's advance compression provides with a WAN optimization solution from CISCO or BIGIP )f5) - I will appreciate if you could share your results.

I have not. That said Oracle compression and WAN optimization both use on data patterns for their compression. These algorithms are mature at this point and
I don't believe either has an advantage.
The rumor is Oracle is going to do more with Hardware Compression in the near future as the bottleneck appears to be brown round.
Best Regards
mseberg

To turn off advanced compression

The customer does n't have the additional license for 11g features such as advanced compression, active dataguard and in-memory cache. They are not using those features, so want to make sure that they are not risking any exposure for licensing by leaving those listed as 'true' in v$options.
Could someone please provide the steps to turn off these features.

>
I wanted to know if it is summarized in any document so i can ask the customer to refer that.
They are not using those features, so want to make sure that they are not risking any exposure for licensing by leaving those listed as 'true' in v$options.
>
No it is not.
Even it there was documentation Oracle support is the only authorative source for licensing terms and conditions. You should refer the customer to them for confirmation of any possible exposure.

Comparision of Advanced compression for DG with WAN optimization solutions

Has anyone compared the compression ratio that Oracle's advance compression (for Data Guard) provides with a WAN optimization solution from CISCO or BIGIP (f5) - I will appreciate if you could share your results.

I have not. That said Oracle compression and WAN optimization both use on data patterns for their compression. These algorithms are mature at this point and
I don't believe either has an advantage.
The rumor is Oracle is going to do more with Hardware Compression in the near future as the bottleneck appears to be brown round.
Best Regards
mseberg

Oracle advanced security problem

I have the following situation:
Oracle 10.2.0.2.0 database running on RHEL 3.0
Oracle advanced security is installed
sqlnet.ora on the server
# sqlnet.ora Network Configuration File: c:\oracle\NETWORK\ADMIN\sqlnet.ora
# Generated by Oracle configuration tools.
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
# This file is actually generated by netca. But if customers choose to
# install "Software Only", this file wont exist and without the native
# authentication, they will not be able to connect to the database on NT.
SQLNET.CRYPTO_SEED = 'gkjhkh987987979'
SQLNET.CRYPTO_CHECKSUM_TYPES_SERVER= (MD5)
SQLNET.CRYPTO_CHECKSUM_SERVER = required
SQLNET.ENCRYPTION_TYPES_SERVER= (DES40, DES, 3DES112)
SQLNET.ENCRYPTION_SERVER = required
#SQLNET.CRYPTO_CHECKSUM_TYPES_CLIENT= (MD5)
#SQLNET.CRYPTO_CHECKSUM_CLIENT = accepted
#SQLNET.ENCRYPTION_TYPES_CLIENT = ("DES40,DES")
#SQLNET.ENCRYPTION_CLIENT = accepted
On the client I have two homes
1. Oracle 10g client
I can connect to the database even if there is no crypto and checksum types specified.
2. Application which is using oracle 8 client
if there are no crypto and checksum types I get
ORA-12660: Encryption or crypto-checksumming parameters incompatible
Cause: One side of the connection specified "REQUIRED" for encryption or crypto-checksumming, while the other side specified "REJECTED".
if the slqnet.ora is
# sqlnet.ora Network Configuration File: c:\oracle\NETWORK\ADMIN\sqlnet.ora
# Generated by Oracle configuration tools.
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
# This file is actually generated by netca. But if customers choose to
# install "Software Only", this file wont exist and without the native
# authentication, they will not be able to connect to the database on NT.
SQLNET.CRYPTO_SEED = 'gkjhkh987987979'
#SQLNET.CRYPTO_CHECKSUM_TYPES_SERVER= (MD5)
#SQLNET.CRYPTO_CHECKSUM_SERVER = required
#SQLNET.ENCRYPTION_TYPES_SERVER= (DES40, DES, 3DES112)
#SQLNET.ENCRYPTION_SERVER = required
SQLNET.CRYPTO_CHECKSUM_TYPES_CLIENT= (MD5)
SQLNET.CRYPTO_CHECKSUM_CLIENT = accepted
SQLNET.ENCRYPTION_TYPES_CLIENT = ("DES40,DES")
SQLNET.ENCRYPTION_CLIENT = accepted
I get
ORA-12649: Unknown encryption or data integrity algorithm
Cause: An Oracle Advanced Security list-of-algorithms parameter included an algorithm name that was not recognized.
Any Ideas?

I have the following situation:
Oracle 10.2.0.2.0 database running on RHEL 3.0
Oracle advanced security is installed
sqlnet.ora on the server
# sqlnet.ora Network Configuration File: c:\oracle\NETWORK\ADMIN\sqlnet.ora
# Generated by Oracle configuration tools.
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
# This file is actually generated by netca. But if customers choose to
# install "Software Only", this file wont exist and without the native
# authentication, they will not be able to connect to the database on NT.
SQLNET.CRYPTO_SEED = 'gkjhkh987987979'
SQLNET.CRYPTO_CHECKSUM_TYPES_SERVER= (MD5)
SQLNET.CRYPTO_CHECKSUM_SERVER = required
SQLNET.ENCRYPTION_TYPES_SERVER= (DES40, DES, 3DES112)
SQLNET.ENCRYPTION_SERVER = required
#SQLNET.CRYPTO_CHECKSUM_TYPES_CLIENT= (MD5)
#SQLNET.CRYPTO_CHECKSUM_CLIENT = accepted
#SQLNET.ENCRYPTION_TYPES_CLIENT = ("DES40,DES")
#SQLNET.ENCRYPTION_CLIENT = accepted
On the client I have two homes
1. Oracle 10g client
I can connect to the database even if there is no crypto and checksum types specified.
2. Application which is using oracle 8 client
if there are no crypto and checksum types I get
ORA-12660: Encryption or crypto-checksumming parameters incompatible
Cause: One side of the connection specified "REQUIRED" for encryption or crypto-checksumming, while the other side specified "REJECTED".
if the slqnet.ora is
# sqlnet.ora Network Configuration File: c:\oracle\NETWORK\ADMIN\sqlnet.ora
# Generated by Oracle configuration tools.
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
# This file is actually generated by netca. But if customers choose to
# install "Software Only", this file wont exist and without the native
# authentication, they will not be able to connect to the database on NT.
SQLNET.CRYPTO_SEED = 'gkjhkh987987979'
#SQLNET.CRYPTO_CHECKSUM_TYPES_SERVER= (MD5)
#SQLNET.CRYPTO_CHECKSUM_SERVER = required
#SQLNET.ENCRYPTION_TYPES_SERVER= (DES40, DES, 3DES112)
#SQLNET.ENCRYPTION_SERVER = required
SQLNET.CRYPTO_CHECKSUM_TYPES_CLIENT= (MD5)
SQLNET.CRYPTO_CHECKSUM_CLIENT = accepted
SQLNET.ENCRYPTION_TYPES_CLIENT = ("DES40,DES")
SQLNET.ENCRYPTION_CLIENT = accepted
I get
ORA-12649: Unknown encryption or data integrity algorithm
Cause: An Oracle Advanced Security list-of-algorithms parameter included an algorithm name that was not recognized.
Any Ideas?

EBS R12.1 with Oracle Advance Security option - is it certified ?

Hi,
Environment details are below:
EBS R12.1.1
Oracle database version is 10g R2 (10.2.0.4) .
OS is Solaris 10
We are looking for an option of implementing Oracle advanced security option (ASO) .But want to know if its certified with EBS R12.1.1 / 10g R2 database.
I checked few links but I'm not clear if its certified.
http://blogs.oracle.com/stevenChan/2008/07/10gr2_10204_certified_with_apps_11i.html
from the above link i understand its certified on 11i (11.5.10 CU2 only)
<<Advanced Security Option / Advanced Networking Option (ASO / ANO) (11.5.10.CU2 only)>>
Dees anyone know about this certification. If you have any pointers please let me know.
Thanks for your time.
Note : ASO is certified with 11g database. 11gR1 but I'm looking for 10g R2 (10.2.0.4)
http://blogs.oracle.com/mt/mt-search.cgi?blog_id=101&tag=EBS%2012&limit=20
Cheers,
sbs
Edited by: sbs on Oct 14, 2009 5:23 PM

Hi,
Please see this link.
10gR2 10.2.0.4 Database Certified with Apps 12
http://blogs.oracle.com/stevenChan/2008/08/10gr2_10204_database_certified_with_apps_12.html
Regards,
Hussein

Oracle Advance Compression

Similar Messages

Maybe you are looking for