Getting Started with Adobe After Effects - Part 6: Motion Blur
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Jack Vamvas
5 · 26% · 8528

Jack Vamvas's Home

My name is Jack Vamvas. I work as Senior DBA. I blog at .  +Jack Vamvas
  • Sargable vs Non-sargable

    Jack Vamvas Commented 2 Years ago through Just Learned
    Using non-sargable is a performance killer - and can be a reason why an optimizer will use a Clustered Index Scan . [Why does Query Optimizer choose a Clustered Index Scan? ][1] [1]: http://www.sqlserver-dba.com/2012/06/why-does-query-optimizer-c...
    vanne040
    84 · 2% · 657
  • Sargable vs Non-sargable

    Jack Vamvas Commented 2 Years ago through Just Learned
    Using non-sargable is a performance killer - and can be a reason why an optimizer will use a Clustered Index Scan . [Why does Query Optimizer choose a Clustered Index Scan? ][1] [1]: http://www.sqlserver-dba.com/2012/06/why-does-query-optimizer-c...
    vanne040
    84 · 2% · 657
  • beyondrelational.com

    Jack Vamvas Liked 2 Years ago through Pages
    We wish to use these pages for publishing various documents, announcements, FAQ etc related to beyondrelational.com...
    Jacob Sebastian
    1 · 100% · 32235
  • How to uninstall DB2

    Jack Vamvas Posted 2 Years ago through Syndicated Blogs
    After you’ve installed the DB2 server – there may be a situation where you need to uninstall DB2. These notes will help db2_deinstall -F  - Removes a feature from a  DB2 database product in the current location. Execute the command from the ...
  • nmon - tuning and benchmark tool

    Jack Vamvas Posted 2 Years ago through Syndicated Blogs
    Nmon is a tuner and benchmark tool  on Linux.  Capture disk, cpu, memory , filesystem, resource usage, virtual memory As a DB2 DBA it's a very effective method of capturing different types of in data in one interface. nmon  is usef...
  • Linux multipath command

    Jack Vamvas Posted 2 Years ago through Syndicated Blogs
    Q . How can I see  the details of multipathing on a Red Had Enterprise Linux 5 server, using DM-Multipath?  This is normally a prerequisite for a DB2 installation using SAN and Linux. The DBA can do a quick check A. Use the multipath  ...
  • Troubleshooting SQL2219N and reason code 9

    Jack Vamvas Posted 2 Years ago through Syndicated Blogs
    This DB2 error message SQL2219N  reason code 9 appeared in the db2 db2diag file.  The DB2 documentation details for reason code 9 are “START is not allowed as a prior paused table reorganization has not been stopped”. I discovered there was ...
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