Tag Archives: data types

  1. Conversion Precedence

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    September 20, 2022 by Kenneth Fisher

    Recently I talked about the difference between implicit and explicit datatype conversions. In it I ran this code: With the …
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  2. Explicit and implicit datatype conversions

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    August 25, 2022 by Kenneth Fisher

    Did you know that 1/2=0? If you didn’t you could be in for some interesting surprises. 1/2 returns 0 because …
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  3. The sysname datatype defaults to not NULL.

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    August 26, 2021 by Kenneth Fisher

    The other day I was creating a table to store some metadata. Since the metadata I was collecting (sys.databases.name for …
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  4. Right sizing int : T-SQL Tuesday #136

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    March 9, 2021 by Kenneth Fisher

    Brent Ozar (blog|twitter) is our host this month, which will make this the most popular #tsql2sday to date I’m sure. …
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  5. What is the datatype SQL_VARIANT

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    April 16, 2020 by Kenneth Fisher

    The SQL_VARIANT data type is an interesting beast. It is a data type that can store most types of data. …
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  6. CREATE TABLE MyTable (Col1 CHARACTER VARYING (50))

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    January 27, 2020 by Kenneth Fisher

    If you read the title to this post and your first thought was That’s not SQL is it? then you …
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  7. SQL Homework – July 2019 – Table Size

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    July 1, 2019 by Kenneth Fisher

    In general this homework series is meant to give you ideas of things to play with that most if not …
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  8. Data Types Word Search

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    September 26, 2018 by Kenneth Fisher

    Just for fun here is a word search with all of the data types available in SQL Server. Well, two …
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  9. Using LEN wrong.

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    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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  10. varchar(1) VS char(1)

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    February 15, 2016 by Kenneth Fisher

    The other day I made a somewhat flip coment on twitter. (I know, everyone is shocked right?) varchar(1) Really? It’s …
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