Understand the logical order of operations in a SQL query.
SQL statements are executed by the database system in several steps, including:
Parsing the SQL statement and checking its validity
Transforming the SQL into an internal representation, such as relational algebra
Optimizing the internal representation and creating an execution plan that utilizes index information
Executing the plan and returning the results
API and Web Development
Real World Case Studies
AI and Machine Learning
Database and Storage
Technical Interviews
Caching & Performance
Payment and Fintech
Software Architecture
DevTools & Productivity
Software Development
Cloud & Distributed Systems
How it Works?
DevOps and CI/CD
Security
Computer Fundamentals