SQL
This module is a comprehensive guide to understanding SQL (Structured Query Language), the standard language for managing and manipulating relational databases. SQL is used in many different applications, from managing small personal databases to large enterprise system. It contains a range of resources, including videos and articles, that provide an in-depth look at SQL and its key concepts. The module covers everything from basic SQL queries and commands to more advanced topics such as database design and management. Whether you are a beginner or an experienced developer, it provides a wealth of information and resources to support your learning journey with SQL. You will learn how to create, modify, and retrieve data from databases, as well as how to write complex queries and optimize database performance. By the end of the module, you will have a solid foundation in SQL and be able to apply your knowledge to a variety of real-world scenarios.
Crash Courses
Project Walkthroughs
Interview Prep
This collection of SQL interview questions is designed to assist both interviewers and candidates in preparing for technical interviews centered around SQL, a standard language for managing and manipulating relational databases. The questions cover a wide spectrum, beginning with basic concepts such as SQL syntax, data types, and fundamental operations like SELECT, INSERT, UPDATE, and DELETE. Intermediate questions delve into more complex topics like JOIN operations, subqueries, indexes, and transactions. Advanced questions address database design principles, normalization, stored procedures, triggers, views, and performance optimization techniques. This comprehensive collection ensures a thorough assessment of a candidate's SQL expertise, facilitating effective preparation and evaluation for technical interviews.