A Shot of SQLEspresso

SQL Blogs by Monica Morehouse (Rathbun)

  • Home
  • Session Downloads
  • Event Calendar
  • PASS
    • Hampton Roads SQL User Group
    • SQL Saturday
    • PASS WIT VC
  • DCAC
  • Contact Me
    • Disclaimer
  • Home
  • Session Downloads
  • Event Calendar
  • PASS
    • Hampton Roads SQL User Group
    • SQL Saturday
    • PASS WIT VC
  • DCAC
  • Contact Me
    • Disclaimer

No Widgets found in the Sidebar Alt!

  • Back to Basics,  Performance Tuning

    What is Implicit Conversion?

    April 17, 2019 /

    Another quick post of simple changes you can make to your code to create more optimal execution plans. This one is on implicit conversions. An implicit conversion is when SQL Server must automatically convert a data type from one type to another when comparing values, moving data or combining values with other values. When these values are converted, during the query process, it adds additional overhead and impacts performance. Here is a great chart by Microsoft that shows you conversions and which will cause an implicit or explicit conversion. In this post I will not go into explicit, just know that is what you explicitly tell SQL Server to CAST…

    Read More
    Monica Morehouse (Rathbun)

    Related Posts

    It’s All in the Name, Index Naming Conventions

    January 10, 2018

    Quick Model Database Tidbit

    October 30, 2017

    Sorting in Stored Procedures – Food for Thought

    January 29, 2020

About Me

Monica Morehouse (Rathbun)

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

Consulting

Sessions List

Favorite Tidbits

  • Reminder to Developers

Topic Categories

  • Azure
  • Back to Basics
  • Configurations
  • Data Masking
  • DevOps
  • Encryption
  • Idera Ace
  • Important Links
  • Indexes
  • Lone DBA
  • Misc
  • MVP
  • New SQL Version
  • Performance Tuning
  • Posts with Scripts
  • Problems & Solutions
  • Quick and Dirty
  • Security
  • Speaking
  • SQL Family
  • SQLSaturday
  • SSRS
  • Summit
  • Training
  • TSQL Tuesday
  • Uncategorized

Top Posts & Pages

  • Understanding Columnstore Indexes in SQL Server Part 1
    Understanding Columnstore Indexes in SQL Server Part 1
  • Memory Optimized Tables in SQL Server
    Memory Optimized Tables in SQL Server
  • Joining the Blogger World
    Joining the Blogger World
  • Being a Woman in the SQL Community
    Being a Woman in the SQL Community
  • VLFs the Forgotten Foe
    VLFs the Forgotten Foe
  • Storage Tiers What SQL Server DBAs Need to Know
    Storage Tiers What SQL Server DBAs Need to Know
  • System-Versioned Temporal Tables
    System-Versioned Temporal Tables
  • Ruh-Roh! SQL Server 2025 Finally Brings Us a Free Standard Developer Edition -  Scooby Dooing Episode 2
    Ruh-Roh! SQL Server 2025 Finally Brings Us a Free Standard Developer Edition - Scooby Dooing Episode 2
  • What does this little check box do? Query Governor SQL Database Setting
    What does this little check box do? Query Governor SQL Database Setting
  • How to get started with Always Encrypted for Beginners Part 3: One Two Punch
    How to get started with Always Encrypted for Beginners Part 3: One Two Punch
Graceful Pro Theme by Optima Themes - 2026 ©
 

Loading Comments...