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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...
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Data Warehousing Concepts in SQL: Understanding Star and Snowflake Schemas

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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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SQL for Data Engineering: ETL Concepts and Building Scalable Data Pipelines

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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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Installing MongoDB Locally and via Atlas (Cloud)

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Introduction In this module, we'll guide you through the process of setting up MongoDB both locally on your machine and in the cloud via MongoDB...

What is MongoDB? NoSQL vs SQL Overview

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Introduction In this module, we'll dive into the basics of MongoDB and explore its features, strengths, and why it's such a powerful tool for modern...

Interview Series: Top Java + Spring Boot Interview Questions & Answers

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Here's a curated interview series on Java and Spring Boot. The following list includes the top interview questions along with comprehensive answers that can...

Capstone Project: RESTful CRUD API with Spring Boot + JWT + MySQL

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Table of Contents Introduction Project Setup Setting up Spring Boot Application Adding Dependencies Database Setup (MySQL) Setting Up MySQL Database Configuring MySQL Connection in Spring Boot Creating the User Model & Repository JWT...

Mini Projects: Banking App, Todo API, File Uploader, Blog Backend

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Here’s a breakdown of the mini projects that can be done using Spring Boot, covering a variety of use cases to help you practice...

Configuration Server and Centralized Config

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Table of Contents Introduction to Configuration Management What is Spring Cloud Config? Setting Up Spring Cloud Config Server Creating and Accessing Configurations Centralized Configuration in Microservices Versioning and Profiles in...

Advanced API Gateway Techniques – Rate Limiting, Logging, and More

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Table of Contents Introduction to API Gateways API Gateway Overview and Benefits Advanced API Gateway Techniques Rate Limiting Logging and Monitoring Request Transformation Authentication and Authorization Integrating with Spring Cloud Gateway Best Practices...

API Gateway using Spring Cloud Gateway

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Table of Contents Introduction to API Gateway Introduction to Spring Cloud Gateway Setting Up Spring Cloud Gateway Creating Routes in Spring Cloud Gateway Filtering Requests and Responses Load Balancing and...

Advanced Service Discovery and Resilience

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Table of Contents Introduction to Advanced Service Discovery Eureka Advanced Configuration Integrating with Ribbon for Load Balancing Hystrix for Circuit Breaker Pattern Resilience4J for Fault Tolerance Advanced Load Balancing Strategies Conclusion 1....

Service Discovery with Eureka

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Table of Contents Introduction to Service Discovery Introduction to Eureka Setting Up Eureka Server Registering Microservices with Eureka Configuring Client-Side Service Discovery Load Balancing and Ribbon Integration Conclusion 1. Introduction to Service...

Building Microservices with Spring Boot (Basic Setup)

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Table of Contents Introduction to Microservices Setting Up the Project Structure Creating the First Microservice Running the Microservice Configuring Application Properties Communicating Between Microservices Basic Service Discovery with Eureka Conclusion 1. Introduction to...

Introduction to Spring Cloud

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Table of Contents What is Spring Cloud? Key Features of Spring Cloud Spring Cloud Ecosystem Overview Microservices Architecture and Spring Cloud Setting Up a Simple Spring Cloud Project Service Discovery...
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