Category Archives: T-SQL

  1. Finding, disabling and enabling foreign keys

    2

    June 29, 2016 by Kenneth Fisher

    Foreign keys are a classic method of enforcing RI (Referential Integrity). Unfortunately though, they can get in the way if …
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  2. Perfectly Placed Parentheses

    14

    June 27, 2016 by Kenneth Fisher

    Like many other programming languages T-SQL uses parentheses () for a number of tasks. To help determine precedence, function calls …
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  3. Help! My backup file has doubled in size.

    2

    June 16, 2016 by Kenneth Fisher

    Help! I backed up my database yesterday and the backup file was about 200MB but today it’s closer to 400! …
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  4. Comparing the contents of two tables Redux

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    June 8, 2016 by Kenneth Fisher

    I did a post the other day on comparing two tables. It was meant as a general overview but I …
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  5. Using LEN wrong.

    4

    June 2, 2016 by Kenneth Fisher

    I was reading someone’s question the other day on StackExchange and while the existing comments/questions solved the OP’s (original poster) …
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  6. Master_Views: master_objects, master_tables, etc

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    May 23, 2016 by Kenneth Fisher

    There is a highly useful system view called sys.master_files. If you’ve never encountered it before it returns a list of …
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  7. Comparing the contents of two tables

    13

    May 12, 2016 by Kenneth Fisher

    I’ve been working on tuning a query for the last week and I’ve had to make several changes to the …
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  8. How do I rename a column?

    2

    April 18, 2016 by Kenneth Fisher

    Everyone makes mistakes right? And sometimes you create an object and decide later that you messed up and need to …
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  9. Modulo!

    5

    April 14, 2016 by Kenneth Fisher

    I love this somewhat obscure mathematical operator. All it does is return the remainder of a division statement but even …
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  10. Name the schema when you create an object (or else)

    1

    April 6, 2016 by Kenneth Fisher

    This is one of those frequently ignored best practices. When you create an object, specify the schema where it will …
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