Let's say we have in SQL Server a table of cars and drivers and we want to find their cheapest premium. This will certainly be possible with an API / Web Service. But this solution would require the… read more
How to force a plan in SQL Server and why not
Sometimes, depending on the value we have given to a parameter, a query may run with a different plan (execution plan) and have a different duration. This phenomenon is called parameter sniffing. This may be due to… read more
Query join between SQL Server and Oracle tables? (aka PolyBase)
In the article we will see a magical way so that we can use in select queries data from external sources (without Linked Server) and more specifically from Oracle Database. What is PolyBase As of SQL Server 2016 the… read more
How do we connect a Microsoft Excel to SQL Server
Microsoft Excel, although we use it every day and is one of the most well-known and oldest Microsoft programs, hides many possibilities. In this article we will see how to connect a SQL Server database... read more
What is TDE and how does it relate to GDPR (example in SQL Server)
Since 2018, when the European GDPR (data protection) legislation began in Europe, all companies started looking for solutions on how to implement the data protection policy immediately with as little impact as possible. There it comes… read more
How do we restore a specific page only in SQL Server
In the article we will analyze what we can do in the case of page corruption in SQL Server. It is possible to restore only the specific page and avoid restoring the entire database through the backups we have (just... read more
How do we collect long-running queries via Extended Event and how do we read its data
Many times we will need to find how many and which SQL queries were executed for a long time in a period of time in SQL Server. The easiest solution with the least performance impact is to create an Extended Event. The… read more
How to write advanced SQL queries
In a previous article we analyzed what SQL (Structured Query Language) is and how it is used with basic examples. In this article we will see its more advanced functions. The code is written with the Transact-SQL extension… read more
Useful VBA routines in Microsoft Excel (Part 1)
We have talked in a previous article about what VBA (Visual Basic for Applications) is and what possibilities it has within Microsoft Excel. In this article we will look at some routines I have written that can be executed by calling the… read more
