• I'm sorry, I'm not there and I don't know your structure. When you said this earlier:

    But dalily we need all the columns data.

    I thought that meant that you needed to access data by time.

    I still don't understand where you are seeing slow performance, and without that knowledge and full knowledge of your structure, suggesting how you can partition this data is not really possible.

    "The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
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    Author of:
    SQL Server Execution Plans
    SQL Server Query Performance Tuning