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How to use columnstore indexes in SQL Server

Column oriented storage is the data storage of choice for data warehouse and business analysis applications. Column oriented storage allows for a high data compression rate and as such it can increase...

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How to update a table with a columnstore index

In my previous article How to use columnstore indexes in SQL Server we’ve seen how to create a columnstore index on a table and how certain queries can significantly reduce the IO needed and thus...

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Online non-NULL with values column add in SQL Server 11

Prior to SQL Server 11 when you add a new non-NULLable column with default values to an existing table a size-of data operation occurs: every row in the table is updated to add the default value of the...

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