Dr Victoria Holt: life, the universe and everything

Chaos, complexity, curiosity and database systems. A place where research meets industry

Monday, 25 January 2010

Taxonomy

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Taxonomy is the science of classification. It comes from the Greek taxis meaning arrangement or division and nomos meaning law. It provides...
Monday, 18 January 2010

Fragmentation

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Fragmentation is the storing of data non-contiguously on disk. Detecting Fragmentation The level of fragmentation can be determined by runni...
Friday, 20 November 2009

Filestream

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There are various types of data Structured Data is data which is stored in a relational database Semi Structured Data is often of xml type...
Thursday, 19 November 2009

Data Collection Security

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There are 3 roles Mdw_admin Grants read and write to the Management Data Warehouse (MDW). It allows users to purge and clean up jobs to mana...

Data Collection

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This product is a development of performance dashboard, database reports and built on top of standard DMV's. Historical data is persiste...
Friday, 16 October 2009

Stopping and starting services

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A script to Stop and Start the SQL Server Agent Service -- Check status EXEC xp_servicecontrol 'QUERYSTATE','SQLServerAGENT'...

SQL Server Profiler

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There are 2 ways to run SQL Profiler • Run the SQL Profiler client tool through the GUI • Server-side tracing where events are saved t...
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