SQL remains the foundation for turning raw records into reports and business insights across industriesCore queries like ...

Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier. Due to popular demand, we’re ...

In this post, we will show you how to split Data into Rows using Power Query. While exporting data from other systems or sources, you may encounter situations when the data is stored in a format where ...

Databases are used in many different settings, for different purposes. For example, libraries use databases to keep track of which books are available and which are out on loan. Schools may use ...

MySQL is a common database amongst many organizations. As such, when building an automation script that needs to query data from somewhere, you might run into the need to query a MySQL database. By ...

In this course you will learn all about the Structured Query Language ("SQL".) We will review the origins of the language and its conceptual foundations. But primarily, we will focus on learning all ...

JSON has stolen some of XML's thunder with features such as human and machine readability, a lightweight, compact text structure and support for many software and hardware platforms. JSON (JavaScript ...

Power Query in Excel is a powerful tool designed to streamline the process of importing, cleaning, and transforming external data. It enables you to prepare datasets for analysis efficiently, saving ...

Database optimization has long relied on traditional methods that struggle with the complexities of modern data environments. These methods often fail to efficiently handle large-scale data, complex ...