It is notable that HCC is missing from http://www.oracle.com/technetwork/database/features/availability/maa-ebs-exadata-197298.pdf(though advanced compression isnt). On Wed, May 7, 2014 at 2:42 PM, Carlos Sierra <carlos.sierra.usa@xxxxxxxxx>wrote: > George, > > Please send me contact info of the engineer that claims HCC is not > supported by EBS, or the MOS note he is referring to. In the past I have > heard similar claims like partitioning or custom indexes are not supported > by EBS (both false). So I want to investigate this claim accordingly. > > Thanks — Carlos > > > > On May 7, 2014, at 9:01 AM, Frits Hoogland <frits.hoogland@xxxxxxxxx> > wrote: > > Hi George. > > I am by no means an EBS specialist. I am aware a lot of database stuff > needs to be done in an 'EBS way'. > However. Essentially EBS is a client of the database (only oracle itself > made it, instead of a 3rd party) > > HCC is a compression technique which requires no client SQL change to be > used. > So if you've got partitions with data that will not change anymore (HCC > compression doens't like changes), there is no reason not to compress it. > Said that, you should be aware of anything that will break when doing the > mandatory recreation via direct path. (alter table move for example) > > Frits Hoogland > > http://fritshoogland.wordpress.com > frits.hoogland@xxxxxxxxx > Phone: +31 20 8946342 > Mobile: +31 6 14180860 > > On 07 May 2014, at 07:41, George Leonard - Business Connexion < > George.Leonard@xxxxxxxxx> wrote: > > <RSImage.jpeg> > Hi all > > Ok, was a bit taken aback yesterday when an engineered informed me that > HCC is not supported on EBS (12.1.3). > > I can't imagine that a Exa feature is not supported by now, nearly 6 > years after V1. > > Is this really so, the client have data spanning 15+ years in their line > items tables, we want to partition the table and HCC compress OLLDDDD data. > It was a big part of the business case. > > Luckily the SSC will be a consolidation platform sot he value of HCC is > still valid for the DW and other systems. > > But really, Oracle not supporting HCC on EBS on Engineered systems... > Thats like something I would expect from SAP. > > Please help - URGENT. (If you have a note number that tells otherwise, > and specifies how to partition EBS would appreciate it) > > (ME <> EBS expert). > > Yours Sincerely > > ________________________________________ > *George Leonard* > *Oracle Engineered System Specialist* > > Mobile: +27.82 655 2466 > eMail: george.leonard@xxxxxxxxx <george.leonard@xxxxxxxxxx> > Web: http://www.bcx.com <george.leonard@xxxxxxxxxx> > > <image003.gif> > > > > > > -- Niall Litchfield Oracle DBA http://www.orawin.info