Every time you access a relational database to make a query, you have an important decision to make: What is the appropriate isolation level for your query? If you get this wrong, the consequences can be serious. Deadlocks, Dirty reads, Non-repeatable reads, or poor performance. We're in luck, because Robert Sheldon once more answers those questions that are awkward to ask in public.
One of the primary advantages of Platform-as-a-Service solutions offered by Microsoft Azure is the ease with which scaling can be implemented. While SQL Database facilitates both vertical and horizontal scaling approaches, scaling it out is considerably more challenging. In this article, we will provide a high-level overview of both vertical and horizontal scaling methods available with Azure SQL Database.
The SQL Server community is amazing, and Steve Jones hopes we continue to be close as we grow. He brings light on an idea to grow us larger, but smaller.
Voting is now open for the Tribal Awards. Vote for one of the 5 finalists in each category to win a fabulous* prize.
This article will discuss a case study of utilizing a SSIS package to export a table that has columns with data type varchar(mx) and text to an Excel file.
Kathi Kellenberger demonstrates how to start adding visual flair to your SSRS reports, using its impressive set of visual controls, ranging from basic charts to gauges, indicators, sparklines, and maps.
When undisciplined users access your search forms, you can control their behavior and limit the results they're presented with in various ways.
Steve Jones notes that disasters come in all shapes and sizes, but a little prep that you might not have thought of can reduce the scale of the issues.
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
By way of background, a while back I did video called “My New Favourite...
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
WA:08218154393 Jl. Jenderal Ahmad Yani No.1, Benua Melayu Darat, Kec. Pontianak Sel., Kota Pontianak,...
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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