Introduction to Databases and SQL

• Understanding Databases and DBMS (Database Management System)
• Relational Database Concepts
• SQL Basics: Structure, Syntax, and Operations
• Setting up SQL Server and MySQL
• Introduction to SQL Data Types

SQL Queries

• SELECT Statement and Filtering Data with WHERE Clause
• Sorting Data with ORDER BY
• Using DISTINCT to Retrieve Unique Records
• Filtering Data with AND, OR, and NOT Operators
• Working with NULL Values

SQL Functions and Operators

• Aggregate Functions: COUNT, SUM, AVG, MIN, MAX
• String Functions: CONCAT, LENGTH, SUBSTRING, UPPER, LOWER
• Date Functions: DATEADD, DATEDIFF, GETDATE, CURRENT_DATE
• Mathematical Functions: ROUND, CEIL, FLOOR
• Logical Operators: AND, OR, NOT, IN, LIKE, BETWEEN

Advanced SQL Queries

• Joining Tables: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN
• Subqueries and Nested Queries
• Using EXISTS, IN, and ANY
• Complex Query Writing and Optimization Techniques

Data Manipulation

• INSERT Statement: Adding Data to Tables
• UPDATE Statement: Modifying Data in Tables
• DELETE Statement: Removing Data from Tables
• Using TRUNCATE vs DELETE
• Data Integrity and Constraints (PRIMARY KEY, FOREIGN KEY, UNIQUE, NOT NULL)

SQL Indexes and Views

• Introduction to Indexes and their Usage
• Creating and Managing Indexes
• Introduction to Views
• Creating and Managing Views

SQL Transactions and Security

• Understanding Transactions and ACID Properties
• COMMIT and ROLLBACK Statements
• Using SAVEPOINT for Partial Rollback
• SQL Security: User Authentication and Permissions
• Granting and Revoking Privileges

Advanced SQL Techniques

• Triggers and Stored Procedures
• Using Cursors
• Working with Temporary Tables
• Handling Errors and Debugging SQL Queries