How to Write Simple SQL Queriesīefore we begin, make sure you have a database management application that will allow you to pull data from your database. In other words, SQL takes care of the data analysis that you may be used to doing in Excel. Think about it this way: Have you ever opened a very large data set in Excel, only for your computer to freeze or even shut down? SQL allows you to access only certain parts of your data at a time so you don't have to download all the data into a CSV, manipulate it, and possibly overload Excel. Of course, these are just a few of many possible applications. If you’re helping develop a website for an ecommerce company that has data about customer purchases, you can use SQL to find out which customers are purchasing which products. (And chances are, yours does.)įor example, if you work for a software company and want to pull usage data on your customers, you can do that with SQL. The beauty of SQL is that anyone working at a company that stores data in a relational database can use it. SQL (often pronounced like “sequel”) stands for Structured Query Language, and it's used when companies have a ton of data that they want to manipulate. But not to worry - you're in the right place to get started. If your company already stores data in a database, you may need to learn SQL to access the data. SQL is the most popular tool out there for doing just that. Well, you couldn't be more wrong! The most successful marketers are data-driven, and one of the most important parts of being data-driven is collecting data from databases quickly. Or, you may have thought, “That's for the advanced data users.
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