Performance Surprises and Assumptions: STRING_SPLIT
SQL Server 2016 RC0 introduces a new native string splitting function, STRING_SPLIT. In this article, Aaron Bertrand compares its performance to existing methods.
2016-04-06
4,076 reads
Additional Articles
The 2015/2016 Simple-Talk Awards
Once more Simple-Talk invites its readers to vote on the top nominations for the Simple-Talk Awards. Find out who or what has been nominated for each of this year's nine categories, and cast your vote to decide the winners - voting closes tomorrow!
2016-04-05
2,523 reads
Bad Cardinality Estimates from SSMS Plans – Redux
Aaron Bertrand shares some insight about early changes to Plan Explorer that help to provide you with the most accurate information we can.
2016-04-04
2,780 reads
Relational Algebra and its implications for NoSQL databases
With the rise of NoSQL databases that are exploiting aspects of SQL for querying, and are embracing full transactionality, is there a danger of the data-document model's hierarchical nature causing a fundamental conflict with relational theory? We asked our relational expert, Hugh Bin-Haad to expound a difficult area for database theorists.
2016-04-01
3,673 reads
Creating a Date Dimension in a Tabular Model
As well as its multidimensional model, SQL Server Analysis Services (SSAS) now has a tabular model of database that either runs in-memory or in DirectQuery mode. The in-memory analytics engine allows the users of Excel or Power View to base reports on tabular model objects. Having shown how to handle date-based information using the Multi-dimensional model, Dennes now turns his attention on the in-memory tabular model.
2016-03-31
4,032 reads
Getting started with the SSIS Script Task
The SSIS Script Task allows you to add functionality to your SSIS package that does not already exist with the other predefined tasks. In this article, Daniel Calbimonte looks at how to get started using the SSIS Script Task with a few examples.
2016-03-30
4,402 reads
Introduction to Protecting SQL Server with Azure Site Recovery
Microsoft cloud platform allows you to provide resiliency for your on-premises SQL Server deployments. Marcin Policht describes this functionality, available as part of the Azure Site Recovery solution.
2016-03-29
4,191 reads
SQL Server Metadata Functions: The Basics
To be able to make full use of the system catalog to find out more about a database, you need to be familiar with the metadata functions. They save a great deal of time and typing when querying the metadata. Once you get the hang of these functions, the system catalog suddenly seems simple to use, as Robert Sheldon demonstrates in this article.
2016-03-28
6,652 reads
When AUTO_UPDATE_STATISTICS Doesn't Happen
When your SQL Server database is set to have its statistics automatically updated, you will probably conclude that, whenever the distribution statistics are out-of-date, they will be updated before the next query is executed against that index or table. Curiously, this isn't always the case. What actually happens is that the statistics only gets updated if needed by the query optimiser to determine an effective query plan.
2016-03-25
4,726 reads
The One 'Security' Feature in Oracle You Probably Shouldn't Use
Oracle offers a number of security-related settings, but one could definitely create more harm than good. David Fitzjarrell looks at which parameter that is, and why.
2016-03-24
5,227 reads
Blogs
New article – migrating from a named instance
By Brian Kelley
Do you have a case where you have a named instance you'd like to...
Using the SIGN() Function: #SQLNewBlogger
By Steve Jones
I was trolling the docs and noticed the SIGN() function. I have never written...
T-SQL Tuesday #201 Round-Up: Temp Tables, Friend or Foe?
By ReviewMyDB
The T-SQL Tuesday #201 round-up: nine bloggers on whether temp tables are a friend...
Forums
Admin Rights for Everyone
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Kerberos Authentication for Aurora PostgreSQL: Mapping AD Groups to Database Roles
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RegEx Functions I
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Question of the Day
RegEx Functions I
Which of these RegEx functions need compatibility level 170 in SQL Server 2025?
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