Comparing Two Execution Plans
This is a short look at a technique that I discovered recently in Management Studio (SSMS). The technique is to compare two graphical execution plans in the tool to understand what they are doing and how two different queries might affect a particular system, both with the image and with the properties' data behind the […]
Black Friday returns to SQLServerFast
November approaches again. For Europeans, that is a month like any other, for Americans, November means: Black Friday, with huge discounts!
Unpivoting Multiple Sets of Columns in SQL Server using CROSS APPLY
Learn how to unpivot data or sets of data with SQL Server queries using CROSS APPLY.
Advanced SQL Server installation using Powershell DSC
Introduction In the previous article, we learned how to install a SQL Server instance with basic parameters like InstanceName, Features, SourcePath, SQLSysAdminAccounts, etc using Powershell DSC. In this article, we'll discover how to enhance our SQL Server installation with additional configurations. We'll cover things like setting up service account credentials, custom installation directories, configuring TempDB […]
Having Data Modeling Standards
Today Steve talks about data modeling and how standards can transfer knowledge between developers.
Azure DocumentDB: Working with Microsoft's NoSQL Database in the Cloud
Coding for the new NoSQL JSON database service that supports SQL queries.
T-SQL Fundamentals: Controlling Duplicates
When people start learning a new field, for example T-SQL, it’s tempting to spend very little time trying to understand the fundamentals of the field so that you can quickly get to the advanced parts.
SQL Window Functions Series: RANK() and DENSE_RANK()
Welcome to the fascinating world of SQL window functions! Today, we'll explore in detail: RANK() and DENSE_RANK().
Blogs
SQL Server Journey Part 2: Modern Era (2017 – 2026) – AI/Cloud First
By Vinay Thakur
Following up on my Part 1 baseline, the journey from 2017 onward changed how...
Google Moves Up Post-Quantum Cryptography Timeline
By Brian Kelley
In cryptography, the RSA and ECC algorithms which we use primarily for asymmetric cryptography...
The Book of Redgate: No Politics
By Steve Jones
In today’s world, this might mean something different, but in 2010, we had this...
Forums
Auto Update Statistics not triggering on filtered indexes
I've got a table with 186,703,969 rows, about 300GB of data. There are several...
What is the difference between SQL Server and SQL Database?
I created a SQL Database in Azure Portal but I've just noticed it also...
An Unusual Identity
Comments posted to this topic are about the item An Unusual Identity
Question of the Day
An Unusual Identity
What values are returned when I run this code?
CREATE TABLE dbo.IdentityTest2
(
id NUMERIC(10,0) IDENTITY(10,10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
INSERT dbo.IdentityTest2
(
somevalue
)
VALUES
( 'Steve')
, ('Bill')
GO
SELECT top 10
id
FROM dbo.IdentityTest2 See possible answers