SQL Server transaction log architecture
The transaction log file for a SQL Server database critical for for maintaining database integrity. In this article, Greg Larsen explains SQL Server transaction log architecture.
Testing Flyway Migrations Using Transactions
When you are using Flyway, how can you test your database migration script first to make sure it works exactly as you intended before you let Flyway execute it?
Reading and Writing your Database's Documentation using JSON
One of the problems to which I keep returning is finding the best way to read and apply documentation for databases. As part of a series of articles I'm doing for Redgate's Product Learning, I've been demonstrating how to maintain a single source of database documentation, in JSON, and then add and update the object […]
Where Does NoSQL work well?
NoSQL was hyped as the way to replace your RDBMS and achieve incredible performance at scale. It does work well, but it hasn't replaced most RDBMSes. Steve has a few thoughts on this topic.
Creating and Maintaining a SQL Code Snippet Library
How to save all your different types of SQL code snippets in a central library of JSON Snippet Collections, where you can search and edit each collection and then write them out as individual code snippets, for use in SQL Prompt, SSMS or your programmer's clipboard.
Getting Started with Azure Purview for Data Governance
In this article we will explore how to get started with Azure Purview and then explore some of the features within Purview Studio.
What Counts For a DBA: Ego
Leaving aside, for a second, Freud’s psychoanalytical definitions, the term “ego” generally refers to a person’s sense of self, and their self-esteem. In casual usage, however, it usually appears in the adjectival form, “egotistical” (most often followed by “jerk”). You don’t need to be a jerk to be a DBA; humility is important. However, ego is important […]
PostgreSQL HAVING,LIMIT and FETCH Clauses
Overview In this article, we will cover these PostgreSQL clauses with examples: HAVING, LIMIT and FETCH. In a previous article we discussed the WHERE, ORDER BY and GROUP BY clauses. Click the link if you wish to learn about those clauses. HAVING Clause The HAVING clause works on grouped data returned by a GROUP BY. […]
Your Permanent Record
Today we have a guest editorial from Tim Mitchell. Tim talks about the impact of your posts online against the impression you make, or want to make, with potential employers.
Opening JSON Data with T-SQL
The T-SQL code samples in this tip illustrate ways of displaying JSON formatted data in SQL Server as well as how to transfer JSON formatted data to SQL Server tables.
Blogs
Who Are You Doing It For?
By Brian Kelley
But as I've matured over the years, I came to realize that I needed...
Presenting Twice in May 2026
By alevyinroc
I will be presenting my latest session, Documenting Your Work for Worry-Free Vacations, in-person...
Finding the Next Sequence Value: #SQLNewBlogger
By Steve Jones
I saw a question asking about the next sequence value and decided to try...
Forums
DB Design Methods
I've read a few posts regarding what we use to design DB models and...
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...
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