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Course Module: SQL Fundamentals

Module 1: Introduction to Databases and SQL

• Overview of Databases and Database Management Systems (DBMS)
• Introduction to SQL (Structured Query Language)
• Understanding Relational Databases and their Components
• Setting Up a Database Environment for Practice

Module 2: Basic SQL Queries

• Retrieving Data with SELECT Statement
• Filtering Data with WHERE Clause
• Sorting Data with ORDER BY Clause
• Limiting Rows with LIMIT and OFFSET Clauses

Module 3: Working with Tables and Data

• Creating and Altering Tables
• Inserting Data into Tables
• Updating and Deleting Data from Tables
• Truncating and Dropping Tables

Module 4: Advanced SQL Queries

• Joining Tables with INNER JOIN, LEFT JOIN, RIGHT JOIN
• Using Aliases for Table and Column Names
• Aggregating Data with GROUP BY Clause
• Filtering Groups with HAVING Clause

Module 5: Subqueries and Derived Tables

• Understanding Subqueries and their Types
• Using Subqueries in SELECT, WHERE, and FROM Clauses
• Working with Derived Tables and Common Table Expressions (CTEs)

Module 6: SQL Functions and Expressions

• Using Scalar Functions: String, Numeric, Date Functions
• Aggregating Functions: SUM, AVG, MIN, MAX, COUNT
• Date and Time Functions for Date Manipulation
• Conditional Functions: CASE, COALESCE, NULLIF

Module 7: Data Manipulation Language (DML)

• Understanding INSERT, UPDATE, and DELETE Statements
• Transaction Management with COMMIT and ROLLBACK
• Using SAVEPOINTs for Partial Rollbacks
• Handling Auto-Increment Columns and Identity Columns

Module 8: Data Definition Language (DDL)

• Creating and Altering Database Objects: Tables, Views, Indexes
• Managing Constraints: Primary Key, Foreign Key, Unique, Not Null
• Using Triggers for Automated Actions
• Working with Sequences and Identity Columns

Module 9: Data Control Language (DCL) and Security

• Understanding Data Control Language: GRANT and REVOKE
• Managing User Permissions and Access Control
• Implementing Row-Level Security and Column-Level Security
• Best Practices for Database Security

Module 10: Advanced SQL Topics

• Working with Window Functions and Analytical Functions
• Using Common Table Expressions (CTEs) for Recursive Queries
• Query Optimization Techniques: Indexing, Query Plan Analysis
• Database Administration Tasks: Backups, Restores, Maintenance

Each module will include hands-on exercises, quizzes, and assignments to reinforce learning and practical application of SQL concepts.