What is sql?
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SQL, or Structured Query Language, is a programming language that allows you to communicate with and manipulate data stored in a relational database.
Think of a database as a collection of tables, with each table representing a different type of data (such as customer information or product inventory). Each table is made up of rows and columns, with each row representing a specific piece of data (such as a single customer or product) and each column representing a specific attribute or characteristic of that data (such as a customer's name or a product's price).
With SQL, you can write commands to retrieve data from the database, add new data, update existing data, or delete data. For example, you could use SQL to find all customers who live in a certain city, or to add a new product to the database.
SQL is used in many different industries and applications, from e-commerce websites to healthcare systems to financial institutions. It's a powerful tool for managing and analyzing large amounts of data, and is an essential skill for many types of jobs in today's data-driven world.
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