Loading W Code...
Master Database Management Systems and SQL. Essential for backend roles and system design.
15+
Core Concepts
20+
SQL Patterns
50+
Interview Qs
High
System Design
Database fundamentals, ACID properties, normalization, keys, ER diagrams, relational algebra
Includes
Write complex SQL queries, joins, subqueries, aggregations, and master window functions
Includes
Top DBMS & SQL questions asked at FAANG and product companies with detailed answers
Includes
Interview Essential
DBMS is asked in 90% of software engineering interviews at top companies.
Backend Development
Essential for any backend role - understanding how data is stored, indexed, and retrieved.
System Design
Crucial for designing scalable systems. SQL vs NoSQL, Sharding, Replication.