Additional Articles


External Article

SQL GROUP BY Basics

It sometimes pays to go back and look at what you think you already know about SQL. Joe Celko gives a quick revision of the GROUP BY and HAVING clauses in SQL that are the bedrock of any sort of analysis of data, and comes up with some nuggets that may not be entirely obvious.

2016-03-08

6,672 reads

Technical Article

SQL Server T-SQL Tuning -TVF and Scalar Functions

A UDF is very convenient for centralising business logic as we can specify a set of business logic in one UDF which references multiple stored procedures and ad-hoc queries. However, they can lead to significant performance degradation due to their demands on the CPU

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2016-03-04

4,848 reads

External Article

The SQL Server 2016 Query Store: Built-in Reporting

One of the most important features of the SQL Server 2016's new Query Store is the reporting. With these features, it is now possible to get a wealth of information on how your query workload is performing, either aggregated for the entire query workload or for a single query. With this information, you can see the effects of 'forcing' an execution plan for specific queries and get feedback of the consequences.

2016-03-03

3,901 reads

External Article

Redgate Instant Clone Beta

Redgate is in an early research phase of a tool that helps provision production-like databases for dev and test in a way that saves both time and storage. The team involved are looking for volunteers to provide feedback on the product as it's developed. If you think you'd be interested in trying out the tool, sign up for the beta program now.

2016-02-29 (first published: )

8,788 reads

External Article

SQL Server Performance Troubleshooting with SQL Monitor 5

Any SQL Server monitoring tool must gather the metrics that will allow a DBA to diagnose CPU, memory or I/O issues on their SQL Servers. It should also provide a set of accurate, reliable, configurable alerts that will inform the DBA of any abnormal or undesirable conditions and properties, as well as specific errors, on any of the monitored servers. This article provides an in-depth guide to the monitoring and alerting functionality available in one such tool, Redgate SQL Monitor. It focuses on the latest edition (5.0), which includes several key new features, such as performance diagnosis using wait statistics, the ability to compare to baselines, and more.

2016-02-29

3,147 reads

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Question of the Day

The String Distance I

In SQL Server 2025, what is returned by this code:

SELECT EDIT_DISTANCE('Steve', 'Stan')
Assume preview features are enabled.

See possible answers