2015-08-17
4,199 reads
2015-08-17
4,199 reads
MySQL introduced the SIGNAL and RESIGNAL statements in version 5.5 to allow you to raise your own error conditions from stored procedures, triggers, and events. Rob Gravelle demonstrates how to utilize both.
2015-08-17
2,032 reads
When the different teams that are involved throughout the life of a database fail to reconcile their different roles and priorities, and so fail to cooperate or work adaptively, the result is gridlock: databases defined as though carved in stone rather than by code and data. William Brewer explores how DLM can offer an alternative that allows databases to respond quickly to business change.
2015-08-13
7,221 reads
Don't underestimate the ERRORLOG. There is some great information in it for you to use not just when you're troubleshooting performance or investigating errors, but also when you're proactively monitoring an instance. Erin Stellato explains.
2015-08-12
3,517 reads
Part 2, a more in depth look at An alternative approach to disaster recovery and backup strategies using PolyBase.
2015-08-11
2,086 reads
With the recent acquisition of Datazen by Microsoft, if you have SQL Server 2008 or later Enterprise Edition with Software Assurance, you can leverage (download and use) Datazen to create visually appealing dashboards for mobile devices across all the major platforms at no additional costs. In this article series Arshad Ali will demonstrate how you can use Datazen for creating dashboards and KPIs (Key Performance Indicators) for mobile devices easily and quickly.
2015-08-11
5,810 reads
2015-08-10
2,160 reads
It is sometimes hard to keep up with Microsoft's direction in Business Intelligence. Robert Sheldon takes stock with the Simple BI Timeline which explains how BI has evolved over the years.
2015-08-10
4,879 reads
2015-08-07 (first published: 2012-06-20)
15,747 reads
Temporal tables - also known as system-versioned tables, but not to be mistaken with temporary tables - are a new feature of SQL Server 2016 that allow SQL Server to automatically keep a history of the data in the table. This tip from Koen Verbeeck introduces the new feature by explaining how to create a system-versioned table.
2015-08-07
5,485 reads
Slow-running queries can degrade your Redshift cluster’s performance and lead to increased costs. Identifying...
By gbargsley
If you've been here before, you know this blog is usually about SQL Server,...
I’ve been doing storage load tests for SQL Server for a long time, both...
Comments posted to this topic are about the item How Long is a Long...
Comments posted to this topic are about the item T-SQL Trigonometric Functions in SQL...
Comments posted to this topic are about the item Half of All Engineers
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?
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