SQL Expert Course

Module 1: Introduction to SQL

• Duration: 1 Month

1. Overview of Databases

   • Understanding databases and their importance
   • Types of databases: Relational vs. Non-relational

2. Introduction to SQL

   • What is SQL?
   • History and evolution of SQL
   • SQL syntax and conventions

3. Basic SQL Commands

   • SELECT, INSERT, UPDATE, DELETE
   • Understanding data types

4. Database Schema

   • Tables, rows, and columns
   • Primary keys and foreign keys
   • Creating and modifying database schemas

5. Hands-on Practice

   • Setting up a local SQL environment
   • Basic query exercises

Module 2: Intermediate SQL

• Duration: 2 Months

1. Advanced Querying Techniques

   • WHERE clause and filtering data
   • Using aliases for tables and columns
   • Sorting results with ORDER BY

2. Joins and Subqueries

   • INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN
   • Subqueries and nested queries
   • UNION, INTERSECT, and EXCEPT

3. Aggregate Functions and Grouping

   • COUNT, SUM, AVG, MIN, MAX
   • GROUP BY and HAVING clauses

4. Data Manipulation

   • Bulk inserts and updates
   • Transactions and rollbacks
   • Indexing for performance optimization

5. Hands-on Practice

   • Complex query exercises
   • Real-world database scenarios

Module 3: Advanced SQL

• Duration: 2 Months

1. Stored Procedures and Functions

   • Creating and using stored procedures
   • User-defined functions

2. Triggers and Views

   • Creating and managing triggers
   • Using views for simplified querying

3. Performance Tuning and Optimization

   • Query optimization techniques
   • Indexing strategies
   • Analyzing query performance with EXPLAIN

4. Database Security

   • User roles and permissions
   • Encryption and data protection
   • Best practices for securing databases

5. Data Warehousing and Analytics

   • Introduction to data warehousing
   • Using SQL for data analysis and reporting

6. Hands-on Practice

   • Creating and using stored procedures and triggers
   • Performance tuning exercises
   • Data analysis projects

Module 4: SQL for Specific Databases

• Duration: 1 Month

1. SQL in Different Database Management Systems

   • Differences in SQL syntax across MySQL, PostgreSQL, SQL Server, Oracle

2. Advanced Features in Specific DBMS

   • MySQL: Advanced indexing, full-text search
   • PostgreSQL: Window functions, JSON support
   • SQL Server: Advanced security features, SQL CLR
   • Oracle: PL/SQL, advanced transaction control

3. Database Migration and Integration

   • Techniques for migrating databases
   • Integrating SQL with other programming languages and tools

4. Hands-on Practice

   • Working with different DBMS
   • Database migration projects
   • Integration exercises