Why Scalar Functions Can Be Costly
Scalar user defined functions can be costly in more ways than you know. Watch Mickey Stuewe show the hidden costs of using them incorrectly.
Scalar user defined functions can be costly in more ways than you know. Watch Mickey Stuewe show the hidden costs of using them incorrectly.
Free download to all Simple Talk users. XML has been part of the SQL Standard since 2003, and is essential for any DBA because so many of the dynamic management views return XML data. Now that the industry is more used to data defined by document markup, it is becoming more important than ever for Database Developers and DBAs to understand the technology and to know where it makes sense to use XML.
Although the techniques of Database Lifecycle Management can reduce the timescales for the delivery of new functionality to business systems, what if the database 'layer' consists of several large interdependent databases and data flows with replication and audit? Does DLM scale to this level of complexity? Margaret Cruise O'Brien starts a series of articles that describes the practicalities of improving DLM within an existing framework and team supporting a multi-database multi-server system, by describing some of the database management problems and solutions in an enterprise-scale database.
Steve Jones asks software developers to consider the issues we may have with lax internal security.
Using a CData DataCmdlet and sqlps to replicate data from Google Spreadsheets to a SQL Server database in PowerShell
Derik Hammer sets out to disprove another pervasive performance myth : TRUNCATE is faster than DELETE because it isn't logged and can't be rolled back.
How do you quantify the value of DevOps? The answer might depend on what value actually means for your organization, which stakeholder you’re talking to, and what type of...
Data storage is something all data professionals need to care about, and today Steve Jones talks about a research project from Microsoft.
Learn how U-SQL leverages C# to support flexible scalar functions in your scripts.
Have you ever checked the size of the SQL Server tempdb after restarting SQL Server to find that it's reset? Simon Liew explains this behaviour.
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
By Steve Jones
“Don’t aim to have others like you; aim to have them respect you.” –...
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When running DBCC CHECKDB on SQL Server 2025, can I include the Resource Database?
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