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Data Compression: Strategy, Capacity Planning and Best Practices

The data compression feature in SQL Server 2008 helps compress the data inside a database, and it can help reduce the size of the database. Apart from the space savings, data compression provides another benefit: Because compressed data is stored in fewer pages, queries need to read fewer pages from the disk, thereby improving the performance of I/O intensive workloads. However, extra CPU resources are required on the database server to compress and decompress the data, while data is exchanged with the application. Therefore, it is important to understand the workload characteristics when deciding which tables to compress.

2009-08-11

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Question of the Day

Identities and Sequences V

When thinking about the identity property and sequence objects, which of these can generate values before an insert statement is executed?

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