This alert is raised when the number of hash warnings events in the last hour goes above a specified threshold. A hash warning event means that part of the data processed for a hash operation was written to tempdb during query execution, which can degrade SQL Server Performance.
In which Phil Factor illustrates in TSQL how it is possible to use foreign key constraints to enforce data rules, and illustrates some surprising consequences of using cascading.
Despite being deprecated for many years, Phil Factor explains why RULEs are still hanging on in there in SQL Server 2014.
When you're developing database applications, it pays to check for index scans in the SQL Server query plan cache. Once you've identified the queries, what next? Dennes Torres gives some preliminary guidelines on how to find out why these index scans are being chosen for these queries and how to make the queries run faster and more efficiently.
I had an update statement that took 3 minutes to run after this code change it took 6 seconds.
In this article, Robin Shahan talks about security and how to control access to containers and blobs using shared access signatures (SAS) and stored access policies.
This Friday Steve Jones asks about how you are tackling your career growth as you get older. Are you getting more efficient?
'Temporal' tables contain facts that are valid for a period of time. When they are used for financial information they have to be very well constrained to prevent errors getting in and causing incorrect reporting. This makes them more difficult to maintain. Is it possible to have both the stringent constraints and simple CRUD operations? Well, yes. Dwain Camps patiently explains the whole process.
SQL Saturday, organized by SQL South West, is coming to Exeter, England on April 25. This is sure to be a special event, and as always, offers a free day of training and networking. Register while space is available.
As big data application success stories (and failures) have appeared in the news and technical publications, several myths have emerged about big data. This article explores a few of the more significant myths, and how they may negatively affect your own big data implementation.
It is Friday, the queries are running, and nobody is watching the bill. That...
By Steve Jones
Annabel retired from Redgate Software this week. Across most of my career at Redgate,...
By Tim Radney
As a SQL Server DBA with years of experience tuning production environments, I’ve seen...
Comments posted to this topic are about the item Changes, Happiness, and a Few...
Comments posted to this topic are about the item BCP on Linux
Comments posted to this topic are about the item You Probably Don't Need a...
When running bcp on Linux, what is the field terminator?
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