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SQL UPDATE: Update data with this command
Because databases are constantly evolving, it’s essential to be familiar with the UPDATE SQL query. This allows you to modify one or more rows in your table. So how do you use it? We explain it all in this article. What is SQL UPDATE? The SQL UPDATE command is used to update data within a […]
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LIKE SQL: How to use this search function
Developers and data experts can use SQL to communicate with databases. Thanks to various queries, you can select certain information, update a table, add data, delete data, and so on. Among the commands you need to know is the LIKE SQL query. But what is it used for? How do you use it? Discover the […]
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Demystifying the Central Limit Theorem: A Guide to Understanding and Application
Reaffirming the importance of the normal distribution, the central limit theorem is one of the key concepts in statistics. So what exactly is it? How does it translate? And above all, how is it applied? That’s what we’ll be looking at in this article. The central limit theorem and convergence to the normal distribution The […]
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API: The Path to Seamless Integration
Application Programming Interfaces (APIs) have become indispensable across various industries, including banking, marketing, and digital sectors. The development of APIs continues to grow alongside the increasing volume of data to be processed. But what exactly are we talking about, and what purpose do they serve? An API, which stands for Application Programming Interface, is a […]
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Pearson and Spearman Correlations: A Guide to Understanding and Applying Correlation Methods
Correlation is a statistical tool used in Machine Learning to identify dependencies between several variables.There are several types of correlation. Find out more about the The Pearson correlation and Spearman Correlation below. For data analysis, a Data Scientist has several statistical tools at his disposal. One of these tools is correlation.Correlation is a particularly useful […]
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Network protocols: definition, operation and types
Network protocols are rules and standards that enable computers to communicate with each other and share data. These protocols are used in different types of networks, such as the local area network (LAN) and the wide area network (WAN), to ensure communication and collaboration between users. But what are network protocols? Why are they important? […]
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Data Center: What is it? What’s it for?
The advent of Big Data means exponential growth in the volume of data. And while this information may seem immaterial, it actually takes up a lot of space. To store it, data centers are on the rise. But what exactly are data centers? What is the purpose of a data center? How does it work? […]
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Demystifying Derivatives: Understanding the Core of Calculus
The notion of derivative is particularly used in DataScience for machine learning models. Apart from what you’ve probably seen in high school, the applications of this mathematical tool are much broader, and we’ll come back to them at the end of this article. In this article, you’ll first learn how to calculate the derivative of […]
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Demystifying Regular Expressions (Regex): Definition and Practical Usage
In the world of computing, we are often called upon to perform word-processing tasks. There’s a universal tool called regex, which often presents the most powerful solutions in this field. However, regular expressions suffer from a general lack of understanding of how they work, due to their sometimes… confusing appearance. What is a regular expression? […]
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Calculating means with Excel: 4 essential tips
Despite the emergence of a wide range of data processing software, Excel is still one of the most widely used business solutions, for example to calculate means with Excel. Through its functions and formulas, this Microsoft tool simplifies data preparation, analysis and visualization. One of the most important functions is, of course, Excel averaging. Liora […]
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Docker Compose: Simplifying Containerized Applications
If you’re reading this article, you’re probably familiar with this very popular containerisation tool in the DevOps world: Docker. But what exactly is Docker Compose, then? Docker Compose is used to launch applications that need several containers to run, via a YAML file. It is often necessary for an application to run several containers for […]
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SQLite Unveiled: Your Comprehensive Guide to the Embedded Database
SQLite is a lightweight, embedded database management system that requires no external server. Discover its features, benefits, applications and benefits for Data Science! Database management systems are essential tools, especially for Data Science professionals. They enable data to be stored in a structured manner in tables, facilitating the manipulation and retrieval of information. However, traditional […]
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