Profiler is a GUI based tool that runs a SQL Server trace to capture the metrics listed above as well additional data. This data can then be used to determine where your SQL Server performance issues are related to your TSQL code. Running a trace without using Profiler is known as a Server Side Trace. You can create and start the trace using TSQL commands instead of having to use the GUI.
2023-09-29
A query is sometimes super fast and sometimes very slow. One of the main reasons for this problem is Parameter Sniffing. There are several approaches to addressing the Parameter Sniffing issue and this article discusses effective methods for handling Parameter Sniffing in SELECT statements containing a TOP clause.
2023-09-18
In this tip, we will discuss the process of generating test data to verify query logic without relying on real-life data, along with some helpful guidelines. We will also cover various scenarios and their corresponding solutions.
2023-09-15
There is more than one way to work with SQL Server stored procedures from within a .NET Application. However, when using parameters, in order to avoid exposing your code to "SQL Injection" vulnerabilities, there is a certain way based on which you should write your code.
2023-08-21
RDS Custom for SQL Server recently released exciting new features related to Bring Your Own Media (BYOM) and High Availability. By using BYOM, customers may leverage their existing SQL Server licenses with Amazon RDS Custom for SQL Server, when used in accordance to Microsoft terms. This allows customers who have already purchased SQL Server licenses to save on TCO/license costs, while offloading the undifferentiated heavy lifting of database management to Amazon RDS Custom. By using Multi-AZ deployment, customers can now set up high availability for their databases.
2023-08-14
Sometimes, we need to find the first or last n% records from a dataset based on a particular column. For instance, a teacher wants to know which students are in the bottom 25% based on marks. Hence, in such situations, the SQL NTILE() function helps. We will leverage this tip to get first or last n% records using NTILE() in SQL Server.
2023-08-04
I have come across a lot of use cases for manufacturing rows on the fly, aside from the common goal of populating a large data set such as a numbers or calendar table. A few favorites include building sample data, pivoting an unknown number of columns, data extrapolation, and filling gaps in date or time ranges.
2023-07-26
In this article, learn how to query cached query statistics and execution plans for Oracle or SQL Server to identify code that can be optimized to improve performance.
2023-07-21
In this article, we look at a sample use case of how you can create SQLCMD batch files that can be interactive and reused in different SQL Server environments.
2023-07-14
My SQL Server backups and restores fail infrequently, but when I find out it is too late. How can I find out sooner?
2023-07-03
By Steve Jones
ghough – n. a hollow place in your psyche that can never be filled;...
I have the honour of hosting this month’s T-SQL Tuesday. In case there’s any...
Widgets provide a way to parameterize notebooks in Databricks. If you need to call...
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Hi all As a seasoned developer, I had faced fair share of coding challenges...
When ASCII(Column) is null, what does it represent? Is this some kind of special/control...
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