Complete MySQL Roadmap for Beginners to AdvancedLast updated: Apr 3, 2026Author :Jitendra KumarWhat is SQL & Relational DatabasesPrimary Keys & Foreign KeysSetting up Database (MySQL, PostgreSQL, SQLite)FoundationsDatabase vs Table vs Row vs ColumnData Types in SQLSELECT StatementsSorting with ORDER BYDISTINCTBasic QueryingFiltering with WHERELIMIT & OFFSETBasic Operators (AND, OR, NOT, BETWEEN, IN)COUNT, SUM, AVG, MIN, MAXHAVING ClauseAggregationsGROUP BYNULL Handling (IS NULL, COALESCE)INNER JOINRIGHT JOINSELF JOINUNION & UNION ALLJoinsLEFT JOINFULL OUTER JOINCROSS JOINSubqueries (Scalar, Correlated)Window Functions (ROW_NUMBER, RANK, PARTITION BY)String FunctionsIntermediate SQLCTEs (Common Table Expressions)CASE StatementsDate & Time FunctionsNormalization (1NF, 2NF, 3NF, BCNF)Entity-Relationship Diagrams (ERD)Indexes (Clustered vs Non-Clustered)Schema Design & ModelingDenormalizationOne-to-One, One-to-Many, Many-to-Many RelationshipsConstraints (NOT NULL, UNIQUE, CHECK)ACID PropertiesIsolation Levels (READ COMMITTED, SERIALIZABLE, etc.)Transactions & ConcurrencyCOMMIT & ROLLBACKDeadlocks & Locking MechanismsIndexes & Query OptimizationDenormalization for PerformanceCaching StrategiesPerformance & OptimizationExecution Plans & EXPLAINSharding & Partitioning BasicsStored Procedures & FunctionsViews & Materialized ViewsJSON & Arrays in SQLAdvanced SQL TopicsTriggersRecursive QueriesFull-text SearchDesigning a Library DatabaseAnalytics Dashboard QueriesETL (Extract, Transform, Load) with SQLPractical ApplicationsE-commerce Schema DesignHandling Large DatasetsSQL Query ChallengesSchema Design ProblemsInterview PreparationOptimization QuestionsReal-World Case Studies
