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See you Saturday in Baton Rouge!

See you in Baton Rouge this weekend! We have 13 tracks of professional development and training, from entry-level to expert, for SQL Server Administrators, Business Intelligence Developers, Data Analysts,...

2019-08-14

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Blog Post

SQL Server Execution Plan Operators

Watch this week’s Execution Plan Operators episode on YouTube. SQL Server Execution Plan Operators When examining a query’s execution plan, certain operators tend to crop up over and over...

2019-08-26 (first published: )

1,590 reads

Blog Post

SQL Server Execution Plan Operators

Watch this week's video on YouTube

Part 1: Introduction to Execution Plans
Part 2: Overview of Statistics
Part 3: Reading an Execution Plan
Part 4: Commonly Troublesome Operators
Part 5: Troubleshooting Execution Plans

When examining...

2019-08-13

25 reads

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Question of the Day

The Range of Customers

I have this data in the OrderHeader table in a SQL Server 2025 database (ordered by CustomerID ASC):

orderid orderdate               customerid complete
3       2025-05-10 00:00:00.0002          1
21      2024-01-10 00:00:00.0003          1
15      2023-10-28 00:00:00.0004   1
13      2025-03-08 00:00:00.0006          1
11      2024-04-02 00:00:00.0007          1
If I run this query, how many rows are returned?
SELECT *
 from dbo.OrderHeader
 where customerid between 3 and '6'

See possible answers