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.
2017-06-02 (first published: 2016-01-04)
14,684 reads
Articles
Free ebook: Stairway to SQL Server XML
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.
2017-06-02
6,152 reads
Introducing DLM Techniques for a Multi-Database Multi-Server System
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.
2017-06-02
2,744 reads
PowerShell Scripting to Replicate Cloud & SaaS Data to SQL Server
Using a CData DataCmdlet and sqlps to replicate data from Google Spreadsheets to a SQL Server database in PowerShell
2017-06-01
934 reads
Performance Myths : Truncate Can't Be Rolled Back
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.
2017-06-01
4,663 reads
The language of DevOps ROI
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...
2017-06-01
2,805 reads
Tempdb size resets after a SQL Server service restart
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.
2017-05-31
3,326 reads
Validate Integer and Decimal Values in SQL Server
Bhavesh Patel shows how to validate specific use-cases for integer and decimal values in SQL Server.
2017-05-31
3,649 reads
Comparing and Synchronizing Two Folders with Azure
In this article, we will compare two folders using PowerShell, the command prompt and other tools.
2017-05-30
2,326 reads
Azure SQL Database - Dynamic Data Masking
A number of security-related features are built into Azure SQL Database, including Transparent Data Encryption, Row-Level Security, and Azure SQL Database Auditing. Their availability reflects the consistent effort by Microsoft to provide functional parity between Azure SQL Database and SQL Server instances running in Azure virtual machines as well as in your on-premises environment. Another example of this trend is support for Dynamic Data Masking, covered in this article.
2017-05-30
2,632 reads
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Question of the Day
The Large Encoded Value
I want to use the new BASE64_ENCODE() function in SQL Server 2025, but return a string that isn't large type. What is the longest varbinary string I can pass in and still get a varchar(8000) returned?
See possible answers