The Only SQL Course with 200+ Visual Animations: Learn Fast, Practice Hard & Build Real-World Projects
InstructorBaraa Khatib Salkini
FreeCustom animations and illustrations help demystify complex operations like CTE execution and window functions.
The curriculum includes a large-scale data warehouse project using a multi-layer architecture and exploratory data analysis tasks.
Editorial course preview
These 4 complementary views highlight concrete, legible examples from the course presentation.
A hand-drawn visual explanation of SQL LEAD and LAG window functions, demonstrating how they access data from preceding or following rows in a dataset.
This diagram illustrates a database index structure, showing how an intermediate node directs queries to specific leaf level data pages for efficient retrieval.
This comparison chart contrasts SQL techniques like Subqueries, CTEs, Temp Tables, CTAS, and Views by analyzing their storage methods, lifetimes, scopes, and reusability.
The image displays a SQL query calculating month-over-month sales changes using the LAG function and window frames, alongside a results grid demonstrating the output for different months.
Setup instructions are reported as incomplete or difficult to follow, specifically for users on macOS. One signal from before the displayed update suggests these issues exist; while the course has been updated since then, this does not guarantee a correction of these issues.
The pacing can be rapid, and some learners noted that the sequence of topics occasionally references material not yet covered.
Initial sections may lack sufficient depth regarding specific data type definitions and database creation mechanics.
Visual animation depth facilitates conceptual understanding at the expense of technical setup clarity and platform compatibility.