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SQL for Financial Analytics: Profit & Loss Reporting, Forecasting, and Ratio Analysis

Table of Contents Introduction Importance of SQL in Financial Analysis Core Financial Statements in Data Tables Building a Profit & Loss (P&L) Report in SQL Structuring Accounts: Revenue vs...

SQL with APIs and JSON Fields in PostgreSQL: Working with Semi-Structured Data

Table of Contents Introduction Why JSON Support Matters in Modern SQL PostgreSQL JSON vs JSONB Creating Tables with JSON Fields Inserting JSON Data (from APIs or files) Accessing JSON Properties...

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Working with JSON in SQL: Storing, Querying, and Manipulating JSON Data

Table of Contents Introduction Why Use JSON in SQL Databases? Storing JSON Data in Tables JSON Data Types and Columns Basic JSON Syntax Inserting JSON Values Retrieving JSON Data Accessing JSON Fields...

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Error Handling in SQL: Managing Exceptions and Ensuring Reliable Transactions

Table of Contents Introduction Why Error Handling Matters in SQL Types of Errors in SQL Syntax Errors vs Runtime Errors Understanding Transaction Errors Rollbacks for Safe Error Recovery Error Handling in...

Stored Procedures and Functions in SQL: Encapsulating Logic for Reuse and Automation

Table of Contents Introduction What Are Stored Procedures and Functions? Benefits of Using Stored Routines Stored Procedures vs Functions: Key Differences Syntax for Creating Stored Procedures Executing a Stored Procedure Parameters...

Triggers in SQL: Automating Database Behavior

Table of Contents Introduction What Is a Trigger in SQL? Why Use Triggers? Types of Triggers Syntax of a Trigger BEFORE vs AFTER Triggers INSERT, UPDATE, and DELETE Triggers Trigger Events: Row-Level...

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Advanced Spring Boot Techniques – Custom Caching Strategies, Cache Warm-Up, and Integrating with Redis

Table of Contents Introduction to Caching in Spring Boot Cache Abstraction in Spring Boot Custom Caching Strategies in Spring Boot Cache Warm-Up Techniques Integrating Redis for Caching Configuring Redis Cache...

Deploying Spring Boot Applications to Heroku and AWS

Table of Contents Introduction to Cloud Deployment Deploying Spring Boot Applications to Heroku Deploying Spring Boot Applications to AWS EC2 Using Amazon RDS with Spring Boot Configuring Security and...

Docker and Kubernetes for Large-Scale Applications

Table of Contents Introduction to Container Orchestration Docker Swarm vs. Kubernetes: Key Differences Setting Up Kubernetes Cluster Deploying Spring Boot Applications with Kubernetes Managing Microservices with Kubernetes Scaling Applications in...

Advanced Docker Concepts for Spring Boot Applications

Table of Contents Introduction to Advanced Docker Concepts Docker Networking Docker Volumes and Persistent Storage Multi-Stage Builds Dockerizing Spring Boot Applications with Dependencies Managing Configurations and Secrets in Docker Docker Swarm...

Caching with Spring Boot (@Cacheable)

Table of Contents Introduction to Caching in Spring Boot Benefits of Caching Setting Up Caching in Spring Boot Understanding @Cacheable Annotation Caching Providers in Spring Boot Cacheable Methods and Cache...

Spring Boot Admin and Health Endpoints

Table of Contents What is Spring Boot Admin? Why Use Spring Boot Admin? Setting Up Spring Boot Admin Server Registering Clients to the Admin Server Exploring Spring Boot Admin...

Spring Boot Actuator for Monitoring

Table of Contents What is Spring Boot Actuator? Why Use Actuator? Adding Actuator to Your Project Exposing Actuator Endpoints Commonly Used Endpoints Customizing Endpoint Exposure Securing Actuator Endpoints Actuator and Health Monitoring Metrics...

JWT-Based Authentication (Stateless Auth) in Spring Boot

Table of Contents Introduction to JWT How JWT Works (Stateless Auth) Benefits of JWT in Spring Applications Generating JWT Tokens Validating JWT Tokens Creating a Custom Filter Configuring Spring Security for...

Creating Custom Spring Boot Starters

Table of Contents Introduction to Spring Boot Starters Why Create a Custom Starter? Anatomy of a Spring Boot Starter Creating the Starter Module Defining Auto-Configuration Using @Conditional Annotations Registering the Auto-Configuration...

Integration Testing with Spring Boot

Table of Contents Introduction to Integration Testing Difference Between Unit and Integration Testing Setting Up Integration Tests in Spring Boot Using @SpringBootTest for Full-Context Testing Testing REST Controllers with...

Unit Testing with JUnit and Mockito in Java

Table of Contents Introduction to Unit Testing Setting Up JUnit and Mockito Writing Your First Unit Test with JUnit Understanding Assertions Introduction to Mockito Writing Unit Tests Using Mockito Mocking and...

CORS, CSRF, and Secure Headers in Spring Boot

Table of Contents Introduction What is CORS? Why CORS Exists Configuring CORS in Spring Boot What is CSRF? CSRF Explained CSRF in State vs Stateless Applications Disabling or Enabling CSRF in Spring...