Category Archives: T-SQL

  1. A quick fix for a full identity column.

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    September 21, 2016 by Kenneth Fisher

    A while back I wrote a post on everything I knew about identity columns. In it I mentioned the following: …
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  2. Using an ORDER BY in a view

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    September 19, 2016 by Kenneth Fisher

    For many years it’s been a best practice to never put an ORDER BY in a view. The idea is …
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  3. RBAR vs Batch

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    August 17, 2016 by Kenneth Fisher

    Many years ago Jeff Moden (of SQL Server Central fame) came up with the concept of RBAR. Row-By-Agonizing-Row. At it’s …
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  4. Azure: What’s the difference between SQL Database and SQL Server?

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    August 9, 2016 by Kenneth Fisher

    If you want to blog T-SQL Tuesday is a great way to get started. On the first Tuesday of each …
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  5. What’s the difference between LEFT and RIGHT OUTER JOINs?

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    August 3, 2016 by Kenneth Fisher

    A DBA walked into a bar, saw a couple of tables, and asked “Can I JOIN you?” There are several …
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  6. Using impersonation to allow a task without granting the required permission.

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    August 1, 2016 by Kenneth Fisher

    I use impersonation on a regular basis for a number of different tasks. This one is pretty basic but can …
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  7. Finding, disabling and enabling foreign keys

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    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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  8. Perfectly Placed Parentheses

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    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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  9. Help! My backup file has doubled in size.

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    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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  10. 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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