On a not-so-busy day, I received an alert saying tempdb has grown to 90 percent of the drive size and there is only 10 percent space left on the drive. The server is a SQL Server 2014 instance and hosts AlwaysOn secondary databases.
Power BI has a lot of uses, but one of the most interesting of them is to model and shape data to make it easier for self-service BI. Power BI is a full-stack solution that includes data loading, data modelling, metrics, reporting and distribution. It can take the source data, and perform in-process data modelling relatively easily as well a providing an easy to use and powerful user interface for analytics and reporting.
Read and document multiple SSIS packages in an Excel file. The document can be used to do further code analysis.
This week Steve Jones has a bit of a competition. Share with him how fast you can back up a 1TB database.
Developing JavaScript for web pages can be perplexing. You will get errors that seem to make no sense, You will be given nuggets of advice about how and when you can use JavaScript to manipulate the DOM or make Ajax requests. It is far better to understand the reason for these rules; the single-threaded nature of JavaScript, and how it loads the page and manages the event loop. How can you achieve parallel processing and what is the best way? Igor makes it all clear and obvious.
EzAdo is a very simple api built to exploit some new features of SQL 2016. It combines software, convention, and creativity to get more done in less time.
Erik Darling looks at SET STATISTICS TIME ON and SET STATISTICS IO ON as potential tools for troubleshooting a query.
EzAdo is a very simple api built to exploit some new features of SQL 2016. It combines software, convention, and creativity to get more done in less time.
We depend on data quality to run our businesses efficiently. However, it's a problem when we mess that data up on purpose.
Stored procedures allow the DBA to automate a certain task by bundling up a query and executing as a single set of logic. This is considerable progress in including more automation, but why not automate the automation? Adam Bertram explains how.
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers