SQL Queries, everything you need to know to get started
If you’re new to SQL (Structured Query Language), or just need a refresher, this article is definitely for you.
SQL queries are a crucial part of every data analyst toolkit, and for good reason - they allow you to extract data from a database and present it in a way that’s easy to understand. It’s easy to learn, powerful, and versatile.
In this post, we’re going to cover some of the basics of SQL queries. We’ll discuss what they are, some tips and tricks for using them, and how they work.
By the end of this post, you’ll have a better understanding of how SQL works and be able to use it to your advantage in your day-to-day work.
Content
∘ What are SQL queries?
∘ Types of SQL queries
∘ Creating SQL queries
∘ Troubleshooting your SQL query
∘ Accessing data in different database tables
∘ Using aliases
∘ Using functions
∘ Creating a stored procedure
∘ How to insert data into a table
· Conclusion
What are SQL queries?
SQL queries are a way to query information from a database.
