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    SQL Sequence vs Identity Column

    October 4, 2017 /

    Let’s take a look at what a Sequence is in relation to an Identity Column in SQL Server. Did you know Sequence even existed? I didn’t until I was asked about them. It’s amazing how much you can skip over and never notice in SSMS. See this little folder, ever notice it under Programmability in Management Studio. Yep it’s there, SQL Server has this very handy thing called Sequences. Sequences are a relatively new feature that have only existed since SQL Server 2012, but have long existed in Oracle (where there a no identity columns). What is a Sequence? Per MSDN, A sequence is a user-defined schema bound object that generates…

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    Monica Morehouse (Rathbun)

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Monica Morehouse (Rathbun)

Microsoft MVP, Performancing Tuning Expert, Leader Hampton Roads SQL Server User Group, Read More…

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Top Posts & Pages

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    Ruh-Roh! SQL Server 2025 Finally Brings Us a Free Standard Developer Edition - Scooby Dooing Episode 2
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    What’s a Key Lookup?
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    DMV’s for the Beginner
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    It's All in the Name, Index Naming Conventions
  • Hide and Group Columns in SSRS Using a Parameter
    Hide and Group Columns in SSRS Using a Parameter
  • SQL Index Creation Using DROP EXISTING= ON
    SQL Index Creation Using DROP EXISTING= ON
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    Please Don’t Do This! Default Index Fill Factor
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    Synchronous VS Asynchronous Statistics Updates
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    Introduction to the performance features on SQL Server on Linux
  • Replication Max Text Length
    Replication Max Text Length
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