Date Rounding Tactics and the Tiny Devil of SMALLDATETIME
Tiny Devils
With every new year I think a little bit about time and dates. This posts looks a little more...
DevWeek & SQL Server DevCon 2011
The 14th annual DevWeek conference takes place from 14-18 March 2011, at the Barbican Centre in central London, and once again incorporates two dedicated tracks on SQL Server, alongside seven concurrent tracks aimed at software developers.
NoSQL Basics
Today Steve Jones talks about NOSQL and why it might be important for SQL Server DBAs to understand more about it and be able to talk about when it is appropriate to use.
Contiguous Time Periods
It is always more efficient to maintain referential integrity by using constraints rather than triggers. Sometimes it isn't obvious how to do this. Until a recent idea by Alex Kuznetsov, the history table presented problems for checking data that were difficult to solve with constraints. Joe Celko explains.
SQL Server Index Tuning for Mere Mortals
One of the most important things to measure, monitor, and “get right” for good overall SQL Server OLTP performance is...
RAID 5 and SQL Server
Given that disk storage has come down substantially in price over recent years, will RAID 5 continue to be relevant as a storage configuration for databases?
Transparent Database Encryption in SQL Server: A Planning Guide
A planning guide for the implementation of TDE in SQL Server.
TSQL Challenge 47 - Read the modification history and identify the fir
A table contains the list of modifications made to each card. Your job is to write a query that shows the first number, current number (most recent) and the number of changes made.
Natural vs. Surrogate Keys in SQL Server : Getting the Proper Perspective
This article demonstrates the relative merits of natural and surrogate keys and benchmarks their performance in different scenarios.
Blogs
Advice I Like: Respect
By Steve Jones
“Don’t aim to have others like you; aim to have them respect you.” –...
Blue Sky Programming – The Optimism Trap
Many years ago, before I joined Oracle, I was working on a major modernisation...
Setting Up a Mac for Data Engineering and AI Work
If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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Question of the Day
BIT_COUNT I
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 3;See possible answers