Ultimate SQL Cheat Sheet

SQL is a programming language used to talk to databases. It helps to store, manipulate, and retrieve data.

With SQL, you can:

• Combine information from different tables and add multiple complex filtering conditions.
• Calculate sum/average/min/max and perform other computations of records. 
• Insert, delete, group, and modify data in a database.
• Prepare reports based on the information stored in a database.

In the SQL Cheat Sheet you’ll find:

• Querying single and multiple tables
• Text operators
• Aggregation and grouping
• Set operations
• Subqueries
• Window functions
• Joins

Credit: LearnSQL.com