Many times we will need to keep the table data and their metadata (packages, procedures, functions, etc.) so that we can then import them into the same or a different system. The data can be extracted using the… read more
How to visualize data on a map using Python
In this article with the help of jupyter notebook and python we will make a heatmap. We will do a complete analysis using dataframe, polynomial regression scatter plot, bar plot. Let's start by loading the libraries we'll need: What… read more
What is Always Encrypted and how it is applied to protect sensitive data
In the era of GDPR let's talk about another SQL Server feature to protect sensitive data. It's none other than Always Encrypted! What is Always Encrypted Its purpose is that the data is always encrypted by… 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
How do we apply the latest patch (PSU) to an Oracle database
In the article we will analyze the process of patch set update (PSU) in Oracle Database. The process is done through the two Oracle tools, OPatch and Datapatch. OPatch is a tool that allows you to apply and uninstall… 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
What are isolation levels and how can they affect a transaction
In this article we will talk about one of the ACID properties of RDBMS and more specifically about the Isolation property. During relational database transactions, many users will try to access the same data… 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 to make charts in Microsoft Excel using Python
In Microsoft Excel, in addition to using functions and pivoting, we have the possibility to add graphs based on this data. But we know that graphs can also be made using Python with libraries such as matplotlib and seaborn.… read more
