This free eBook from Redgate Software will take you from the fundamentals of Statistics, Cost Estimation, Index Selection, and the Execution Engine, and guide you through the inner workings of the Query Optimization process, and throws in a pragmatic look at Parameterization and Hints along the way.
It's your last chance to take part in the 2021 State of Database DevOps survey! If you or your organization uses databases, we want to hear from you! Complete the survey for advance access to the final research report, and to be entered into a prize draw for a $500 Amazon voucher. Plus, for each submission we receive, we’ll donate $1 to the World Health Organization’s COVID-19 Solidarity Response Fund. Take the survey here.
Introduction Performance, performance, performance. While performance in SQL Server can be achieved with code improvement and proper infrastructure maintenance, both tasks require an effort. Code reviews and deep index analysis would take time, but sometimes the obvious is right in front of you. Let's talk about HEAP tables, aka tables with no clustered indexes that […]
The annual Advent of Code challenge is underway, and you can use it to help grow your career.
In this tip we will go through the steps for setting up customer managed keys or Bring your own key (BYOK) to be used for transparent data encryption for an Azure SQL Database.
With 2020 coming to a close, it's time to look at the new year ahead. Join our final 2020 summit this December 10th, to discover how to implement a generative culture for successful IT teams and how database DevOps will drive growth and ROI in a remote world. Register to tune in live or watch the recordings.
Today Steve notes that we often don't have all the knowledge or information we need, but we can work to acquire it.
With SQL Server 2012 Microsoft introduced the AlwaysOn Availability Group feature, and since then many changes and improvements have been made. This article is an update to another article, and will cover the prerequisites and steps for installing AlwaysOn in your SQL Server 2019 environment. Prerequisites Before implementing your AlwaysOn Availability Group (AG), make sure […]
In this article we look at how to export data from different SQL Server tables or queries into multiple Excel sheets in the same file.
Today Steve looks at legacy systems and the challenges they pose as we try to adapt them to new requirements.
By Vinay Thakur
Following up on my Part 1 baseline, the journey from 2017 onward changed how...
By Brian Kelley
In cryptography, the RSA and ECC algorithms which we use primarily for asymmetric cryptography...
By Steve Jones
In today’s world, this might mean something different, but in 2010, we had this...
I've got a table with 186,703,969 rows, about 300GB of data. There are several...
I created a SQL Database in Azure Portal but I've just noticed it also...
Comments posted to this topic are about the item 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