SQL Mastery

Become a database expert — Master SQL for querying, designing, optimizing, and managing relational databases used in real-world applications

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What You'll Master

  • ✓ SQL Basics: SELECT, WHERE, ORDER BY, LIMIT
  • ✓ Joins (INNER, LEFT, RIGHT, FULL, CROSS), Subqueries & CTEs
  • ✓ Aggregate Functions, GROUP BY, HAVING, Window Functions
  • ✓ Database Design: Normalization, ER Diagrams, Constraints
  • ✓ DDL, DML, DCL, TCL, Indexes & Performance Tuning
  • ✓ Advanced SQL: Recursive Queries, Pivoting, JSON Handling
  • ✓ 200+ Practice Problems & 5+ Real-world Database Projects

Course Snapshot

Duration: 5 months

Level: Beginner → Advanced

Format: Live Sessions

Certificate: Yes

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Curriculum Overview

Relational databases overview, SQL vs NoSQL, installing MySQL/PostgreSQL, basic SELECT, filtering (WHERE, AND/OR/NOT), sorting (ORDER BY), limiting results (LIMIT/OFFSET), DISTINCT, NULL handling...

INNER JOIN, LEFT/RIGHT/FULL OUTER JOIN, CROSS JOIN, self-join, UNION/UNION ALL/INTERSECT/EXCEPT, subqueries (scalar, correlated, IN/EXISTS), Common Table Expressions (CTE), WITH clause...

COUNT, SUM, AVG, MIN/MAX, GROUP BY, HAVING, ROLLUP/CUBE/GROUPING SETS, window functions (ROW_NUMBER, RANK, DENSE_RANK, NTILE, LAG/LEAD, FIRST_VALUE), OVER clause, partitioning...

DDL (CREATE, ALTER, DROP), data types, primary/foreign keys, unique/check constraints, indexes (B-tree, hash, composite), normalization (1NF-3NF-BCNF), denormalization trade-offs, ER diagrams...

Recursive CTEs (hierarchies, trees), PIVOT/UNPIVOT, dynamic SQL, stored procedures & functions, triggers, transactions (ACID, COMMIT/ROLLBACK/SAVEPOINT), query optimization, EXPLAIN/ANALYZE, performance tuning, 5+ projects (E-commerce Database, HR System, Sales Analytics, Library Management, Inventory Tracker...)

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