Category Archives: Index

  1. Remove files from a filegroup

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    May 2, 2016 by Kenneth Fisher

    You have a database with one or more filegroups, and one or more of those filegroups has multiple files. You’ve …
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  2. Pulling data from a non-clustered index

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    March 14, 2016 by Kenneth Fisher

    This is one of those things that I found very interesting but figured I’d probably never really use. Of course …
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  3. To the page and back again

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    January 18, 2016 by Kenneth Fisher

    To the page It’s not one of those things you have to do frequently but every now and again you …
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  4. Using unique constraints

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    December 10, 2015 by Kenneth Fisher

    I ran into an interesting problem the other day. Given the title of the post, obviously a unique constraint was …
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  5. Filtered Index restrictions and Kendra Little’s Index Quiz

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    July 20, 2015 by Kenneth Fisher

    A few weeks ago I saw a tweet about Kendra Little’s (b/t) new SQL Server Quizzes. Of course I had …
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  6. Does a clustered index sort the rows within a page

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    December 15, 2014 by Kenneth Fisher

    This is just something I was curious about. I ran my tests and got an answer and now I thought …
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  7. DROP INDEX and CREATE INDEX vs ALTER INDEX REBUILD

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    December 11, 2014 by Kenneth Fisher

    I saw someone ask a few weeks ago if it was faster to drop and re-create an index or do …
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  8. Using a date or int column as the clustered index.

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    December 1, 2014 by Kenneth Fisher

    The other day I was answering a question about clustered indexes and it lead indirectly to a twitter conversation on …
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  9. Adding a column to the primary key.

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    November 13, 2014 by Kenneth Fisher

    Every now and again you realize that the primary key for a table does not uniquely describe a row. Not …
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  10. Force only certain values to be unique

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    October 22, 2014 by Kenneth Fisher

    I thought of something rather interesting the other day while answering a question asking for help with some table structures. …
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