TSQL Challenge 57 - Identify rows that match the rollup trade data
Your job is to scan the trades data and identify combination of trades that match a given rollup data.
2011-05-30
899 reads
Articles
Cartoonists Wanted
An open call to the amatuers that might want to pen some database related cartoons for Simple Talk Publishing.
2011-05-27
1,797 reads
Cursors for T-SQL Beginners
Should we really avoid cursors? See how to rewrite code to avoid cursors and also analyze the implications.
2011-05-27 (first published: 2009-01-01)
23,346 reads
Onboarding SQL Server Private Cloud Environment
This guide outlines the major considerations that must be taken into account when onboarding Microsoft® SQL Server® environments into a private cloud infrastructure.There is a strong trend in IT to virtualize servers whenever possible, driven by:1. Standardization2. Manageability3. IT agility and efficiency4. Consolidating servers reduces hardware, energy, and datacenter space utilization costs5. Virtualized environments allow new Disaster Recovery strategiesThe Hyper-V™ role in Windows Server® 2008 R2 provides a robust and cost-effective virtualization foundation to deliver these scenarios.However, there is significant risk in virtualizing SQL Server environments without giving careful consideration to the workloads being virtualized and the requirements of the server applications running on a Hyper-V environment.
2011-05-27
1,919 reads
Getting the most out of your SQL Server 2008 Cluster
Gain an insight into how to use your SQL Server cluster for more than just high availibility in this article from Mark Jones.
2011-05-26
3,917 reads
SQL Server Index Maintenance Performance Tuning for Large Tables
This article describes a real-world example of performance tuning index maintenance for a large table of approximately 1 billion rows.
2011-05-26
5,252 reads
Nominations open for Exceptional DBA of 2011
The Exceptional DBA contest is running again in 2011 and nominations are now open. Please submit yourself or a colleague for a chance to win some great prizes and be recognized as an amazing data professional.
2011-05-25
537 reads
TIME Gentlemen please! The SQL Server temporal datatypes
If you are still using the old Sybase DateTime datatype, it is a good idea to move your code to the more standard datatypes that were introduced in SQL Server 2008. Joe Celko explains why, and walks through some of the history of the TSQL way of storing and manipulating dates and times.
2011-05-25
3,801 reads
Parsing Log Files and Summarizing Results with PowerShell
This article takes a look at how PowerShell can speed up the process of parsing large log files.
2011-05-24
8,971 reads
Why and How of being a SQL Saturday Volunteer
Here is how to make the most of being a volunteer for SQL Saturday!
2011-05-24
1,180 reads
Blogs
Upgrading SQL Server Containers on the Laptop
By Steve Jones
I don’t have SQL Server installed on my laptop. In an effort to keep...
How to Find Expensive Queries in Amazon Redshift
Slow-running queries can degrade your Redshift cluster’s performance and lead to increased costs. Identifying...
The Notification Trap: How Input Fatigue Is Killing Deep Work in Tech
By gbargsley
If you've been here before, you know this blog is usually about SQL Server,...
Forums
SQL 2019 instance with AG, across 2 Windows 2016 OS servers - OSin-place upgrade
Hi all Can I get some perspective from the community please on performing in-place...
How Long is a Long I/O?
Comments posted to this topic are about the item How Long is a Long...
T-SQL Trigonometric Functions in SQL Server
Comments posted to this topic are about the item T-SQL Trigonometric Functions in SQL...
Question of the Day
How Long is a Long I/O?
In SQL Server 2025, a long I/O is recorded in the error log with message 833. How long much an I/O request be outstanding before this message is written to the log?
See possible answers