The text discusses SQL, also known as Structured Query Language, a standardized programming language used to manage and manipulate relational databases. CockroachDB, a distributed SQL database, aims to share its extensive knowledge with users through educational resources like the "SQL and Database Essentials" video series. The series provides concise explanations of various SQL concepts, including indexing best practices and foreign key constraints, helping viewers alleviate anxiety about using SQL technology effectively. Rob Reid, Technical Evangelist for Cockroach Labs, emphasizes the importance of sharing fundamental knowledge to help new users overcome their fears and use SQL in the most effective way possible.