Raghavendra Narayana


SQLServerCentral Article

Parallel Processing of Large Volume ETL Jobs

ETL processing, generally involves copying/moving, transforming, cleaning the records/transactions from one or multiple sources. Most of the batch processing or warehousing projects involve such data processing in millions on daily/weekly basis. Typically, there is a Staging area and production area. Records are cleaned, transformed, filtered and verified from staging to production area. This demands SQL Set theory based queries, parallel processing with multiple processors/CPU. The article focuses on need of SQL Set theory approach and parallel processing while processing large volume of ETL records using programming approach.

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2007-11-08

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The Cloned Database Size

I have a small test sandbox database on an instance with default master, model, msdb, and tempdb settings. The database has these files:database file propertiesI now run this command:

DBCC CLONEDATABASE(sandbox, sandbox_clone);
GO
When I examine the database file properties, what do they show?

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