2024

How do I calculate the average of a column in SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> SQL or Structured Query Language is a powerful tool used to communicate and manipulate databases. In today’s data-driven world, understanding how to use SQL to extract useful information from raw data stored in databases is critically important. One commonly used operation […]

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How can I perform pattern matching in SQL queries?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> SQL, or Structured Query Language, is a powerful language used for managing and manipulating relational databases. One of the more advanced features in SQL is pattern matching— a versatile tool that lets you locate specific patterns in your data. In this

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How can I perform CRUD operations on JSON data in SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> If you’ve been working with modern web applications, chances are that you’re familiar with JSON (JavaScript Object Notation), a popular data format for transferring data between a server and a client. Although JSON is closely associated with JavaScript, its simplicity, compactness,

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