TSQL function to detect SQL Agent job state
This article has a T-SQL function to detect the SQL Agent job state.
Converting String Data to XML and XML to String Data
In general XML documents or fragments are held in strings as text markup. In SQL Server, XML variables and columns are instead tokenised to allow rapid access to the data within. This is fine, but can cause some odd problems, such as ' entitization'. What do you do if you need to preserve the formatting? As usual Rob Sheldon comes to our aid.
Aggregate Function Product()
The TSQL aggregate function SUM() gives a number based on the addition of the values of multiple rows to each other. Do the same thing but with multiplication instead of addition.
Insider Security Threats
The biggest security threat always seems to come from insiders and today Steve Jones talks about the need to monitor your environment.
SQL Server 2012: Creative Thinking for a Creative New Licensing Model
It seems inevitable that many customers will end up paying more to get the same features they have today, under the new SQL Server licencing model, unless they respond to Microsoft's creativity with some of their own.
TSQL Challenge 75 - Find the Episode and Sequence based on interval
The challenge is to find the Episode and Sequence based on interval.
Great SQL Server Debates: Buffer Cache Hit Ratio
One of the more popular counters used by DBAs to monitor SQL Server performance, the Buffer Cache Hit Ratio, is useless as a predictor of imminent performance problems. Worse, it can be misleading. Jonathan Kehayias demonstrates this convincingly with some simple tests.
Do you know your getdate()?
This article takes a closer look at SQL Server getdate() and sysdatetime() functions.
Stairway to SQL Server Replication - Level 7: Merge Replication – Subscription
This level of the Stairway will cover the details of SQL Server transactional and merge replication, from understanding the basic terminology and methodology of setting up replication, to describing how it works and how the basic replication processes can be monitored.
Blogs
Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework
I’m excited to announce the release of a new open-source project that fully automates...
T-SQL Snapshot Backups on Availability Group Secondary Replicas
One of my favourite features of SQL Server 2022 was the T-SQL Snapshot Backups....
The Book of Redgate: Hours
By Steve Jones
I have said and written this many times: Redgate Software is the type of...
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Question of the Day
Squared Values
What happens when I run this code in SQL Server 2022?
SELECT SQUARE('12') See possible answers