Introduction to C#

Setting up the Development Environment

Conditional Statements

Looping Structures

Exception Handling and Error Management

OOP Concepts Overview – Encapsulation, inheritance, polymorphism, abstraction – Objects and classes

Classes, Objects, and Inheritance in C# – Defining classes and creating objects – Implementing inheritance in C#

Encapsulation and Abstraction – Using access modifiers – Abstract classes and interfaces

Polymorphism and Method Overriding – Achieving polymorphism in C# – Overriding methods in derived classes

Logging in C# – Using logging frameworks (e.g., log4net) – Logging best practices

Debugging Techniques – Utilizing Visual Studio debugger tools – Debugging strategies for complex issues

Error Handling in Production Code – Logging errors for production – Alerting mechanisms for critical errors

Defensive Coding – Validating inputs and assumptions – Writing resilient code

try-catch Blocks – Syntax and structure – Multiple catch blocks

Handling Specific Exceptions – Catching specific exceptions – Nested try-catch blocks

Custom Exceptions and Exception Propagation – Creating and throwing custom exceptions – Propagating exceptions up the call stack

Introduction to SQL Server

Understanding Database Management Systems and SQL Language

Installing SQL Server

Setting up SQL Server Management Studio (SSMS)

Basics of Database Design

Normalization

Creating Schemas

Defining Tables

Establishing Relationships

Defining Constraints

Master the basics of querying data from SQL Server tables.

Filtering and Sorting Data using WHERE and ORDER BY Clauses

Inner Joins – Joining tables based on matching keys – Handling NULL values

Outer Joins – LEFT, RIGHT, and FULL OUTER JOIN – Use cases for each type of join

INSERT Statement Syntax – Inserting single and multiple rows – Using the VALUES and SELECT clauses

Updating and Deleting Data using SQL UPDATE and DELETE Statements – Modifying existing data with UPDATE – Removing data with DELETE

Transactions in SQL Server – ACID properties of transactions – BEGIN TRANSACTION, COMMIT, and ROLLBACK

Managing Data Consistency – Isolation levels and concurrency control – Handling deadlock situations

Stored Procedures – Creating and executing stored procedures – Input and output parameters

Functions – User-defined functions (UDFs) – Scalar and table-valued functions

Triggers – Types of triggers (DML and DDL triggers) – Use cases for triggers

Views – Creating and modifying views – Implementing security with views

Indexing – Types of indexes (clustered, non-clustered) – Best practices for indexing

Authentication in SQL Server – Windows Authentication vs. SQL Server Authentication – Configuring logins and users

Authorization and Permissions – Granting and revoking permissions – Role-based access control

Connection Strings – Building and using connection strings – Connection pooling

Establishing Database Connections – SqlConnection and SqlCommand in C# – Handling database connections in C#

Reading Data with SqlDataReader – Executing SELECT queries – Retrieving and processing results

Executing Non-Query Commands – INSERT, UPDATE, DELETE operations – Handling affected rows

Parameterized Queries in C# – Using parameters with SqlCommand – Benefits of parameterization

Preventing SQL Injection Attacks – Understanding SQL injection – Best practices for secure coding

Scaling Up vs. Scaling Out – Vertical vs. horizontal scaling – Considerations for scaling

Partitioning and Sharding – Distributing data for scalability – Implementing partitioning and sharding strategies

Encryption and Data Masking – Implementing data encryption – Applying data masking techniques

Role-Based Access Control – Defining roles and permissions – Ensuring least privilege access

Performance Optimization in C# – Optimizing code execution – Reducing memory footprint

Database Performance Tuning – Index optimization – Query optimization strategies