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Databases and SQL Curriculum


Module 1: Introduction to Databases and SQL

  • Understanding what a database is and its importance
  • Introducing Structured Query Language (SQL)
  • Setting up a local database environment (using MySQL, PostgreSQL, or SQLite)
  • Writing your first SQL query to retrieve data
  • Exploring basic SQL syntax: SELECT statement

Module 2: Retrieving Data

  • Filtering data using WHERE clause
  • Sorting results with ORDER BY
  • Limiting and paginating results with LIMIT and OFFSET
  • Using DISTINCT to retrieve unique values
  • Aggregating data using GROUP BY
  • Applying aggregate functions: COUNT, SUM, AVG, MAX, MIN

Module 3: Modifying Data

  • Inserting data into tables using INSERT statement
  • Updating existing data with UPDATE statement
  • Deleting data using DELETE statement
  • Combining multiple tables with JOIN operations (INNER JOIN, LEFT JOIN, RIGHT JOIN)
  • Subqueries and their applications

Module 4: Data Manipulation and Transactions

  • Working with string functions
  • Date and time functions for data manipulation
  • Using CASE statements for conditional logic
  • Understanding transactions and ACID properties
  • Managing transactions using BEGIN, COMMIT, and ROLLBACK

Module 5: Advanced Queries and Optimization

  • Working with multiple levels of subqueries
  • Using window functions for advanced analysis
  • Indexing and its impact on query performance
  • Query optimization techniques
  • Understanding and utilizing EXPLAIN plans

Module 6: Database Design and Normalization

  • Introduction to database design principles
  • Understanding database schemas: ER diagrams, entities, attributes
  • Normalization and its importance (1NF, 2NF, 3NF)
  • Practical database design exercise

Module 7: Views, Stored Procedures, and Functions

  • Creating and using views for data abstraction
  • Designing stored procedures to encapsulate business logic
  • Writing user-defined functions for custom operations
  • Managing security and permissions for views, procedures, and functions

Module 8: Real-World Projects and Case Studies

  • Collaborative project-based learning
  • Designing and implementing a small-scale database system
  • Solving real-world problems using SQL and databases
  • Analyzing and optimizing existing database structures