Compound Data Types in C Compound data types are created from primitive data types and provides a different way to use them according to our needs. This section of C tutorial teaches you about the compound data types and how to efficiently organize and process real world data. C Arrays Pointer in C C Strings Quiz: Array | Pointers | Strings Structures Unions Enumeration (or enum) Quiz: Structure & Union Contact : chathuri+13@venturit.com Structured Query Language (SQL) is the standard language used to interact with relational databases. Mainly used to manage data. Whether you want to create, delete, update or read data, SQL provides commands to perform these operations. Widely supported across various database systems like MySQL, Oracle, PostgreSQL, SQL Server and many others. Mainly works with Relational Databases (data is stored in the form of tables)  https://www.w3schools.com/sql/ URL: https://www.geeksforgeeks.org/sql/sql-tutorial/ https://en.wikipedia.org/wiki/SQL