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Friday, March 20, 2009

Oracle introduces a half-rack version of Exadata

by Curt Monash via DBMS 2 : DataBase Management System Services on 3/20/2009 5:31:20 PM

Oracle has introduced what amounts to a half-rack Exadata machine. My thoughts on this basically boil down to “makes sense” and “no big deal.” Specifically: The new Baby Exadata still holds 10 terabytes or more. Most specialty analytic DBMS purchases are still for databases of 10 terabytes or smaller. Large enterprise data warehouse projects are often being [...] ...

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Remember to move DTS2000 packages when upgrading msdb from 2005 to 2008

by tkejser via Microsoft SQL Server Development Customer Advisory Team on 3/20/2009 2:06:00 PM

Some customers prefer to upgrade to SQL Server 2008 by detaching all databases from their SQL Server 2005 instance and then reattaching them to a completely new SQL Server 2008 instance.   If you choose this upgrade strategy, you should be aware that you cannot detach an msdb database from a SQL Server 2005 instance and reattach it to a SQL Server 2008 instance. If you try, you will get an error message. Backup/restore will not work for msdb in this upgrade scenario either.   The msd ...

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Greenplum claims very fast load speeds, and Fox still throws away most of its MySpace data

by Curt Monash via DBMS 2 : DataBase Management System Services on 3/20/2009 9:10:47 AM

Data warehouse load speeds are a contentious issue.  Vertica contrived a benchmark with a 5 1/2 terabyte/hour load rate.  Oracle has gotten dinged for very low load speeds, which then are hotly debated.  I was told recently of a Greenplum partner’s salesman steering a prospect who needed rapid load speeds away from Greenplum, which seemed [...] ...

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