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Working with Relationships in NoSQL (One-to-One, One-to-Many, Many-to-Many)

Kumar Prafull - 0
Table of Contents Introduction to Relationships in NoSQL One-to-One Relationships in NoSQL One-to-Many Relationships in NoSQL Many-to-Many Relationships in NoSQL Best Practices for Modeling Relationships in NoSQL Conclusion Introduction to Relationships...

Unique Indexes, Compound Indexes, and TTL Indexes in MongoDB

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Schema Validation in MongoDB 4.0+

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Designing for Read vs Write Performance in MongoDB

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Data Modeling Examples in MongoDB

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Embedded vs Referenced Documents in MongoDB

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Collections & Documents Best Practices in MongoDB

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MongoDB Commands Cheat Sheet

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Aggregation Stages in MongoDB: $match, $project, $group, $sort, and $limit

Random Kumar Prafull -
Table of Contents Introduction to Aggregation Stages $match Stage – Filtering Documents $project Stage – Reshaping Documents $group Stage – Grouping and Aggregating $sort Stage – Ordering the Output $limit Stage – Reducing the Output Size Combining Stages in a Real-World Example Conclusion Introduction to Aggregation Stages MongoDB’s Aggregation Pipeline consists of multiple stages, where each stage processes input documents and passes the result to the next stage. These...
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The Aggregation Framework – Introduction

Table of Contents What is the MongoDB Aggregation Framework? Why Use Aggregation in MongoDB? Understanding the Aggregation Pipeline Basic Aggregation Example Key Aggregation Stages Aggregation vs Map-Reduce Performance Considerations Conclusion What is the...

Update Operators in MongoDB ($set, $unset, $push, $pull, $inc)

Table of Contents Introduction to MongoDB Update Operators $set Operator $unset Operator $push Operator $pull Operator $inc Operator Best Practices for Using Update Operators Conclusion Introduction to MongoDB Update Operators In MongoDB, update operations...

Query Operators in MongoDB ($gt, $in, $or, $regex, etc.)

Table of Contents Introduction to MongoDB Query Operators $gt (Greater Than) $in (In Operator) $or (Logical OR) $regex (Regular Expressions) Other Common Query Operators Best Practices for Using Query Operators Conclusion Introduction to...

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Java

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

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 help candidates prepare for technical interviews. 1. What is the difference between JDK, JRE, and JVM? Answer: JDK (Java Development Kit): It is a software development kit used to develop Java applications. It includes the JRE and development...

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Basic Authentication Setup in Spring Security

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Table of Contents What is Basic Authentication? How Basic Authentication Works in Spring Security Setting Up Basic Authentication in a Spring Boot Application Creating Custom User Details Configuring a Custom Security Filter Chain Testing Basic Authentication with Postman or curl Summary 1. What is Basic...
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Introduction to Spring Security

Table of Contents What is Spring Security? Core Features of Spring Security How Spring Security Works Spring Security Architecture Adding Spring Security to a Spring Boot Application Default Behavior and...
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API Documentation with Swagger/OpenAPI

Table of Contents Introduction to API Documentation What is Swagger and OpenAPI? Setting Up Swagger in Spring Boot Annotating Your API with Swagger Annotations Configuring Swagger UI Customizing Swagger Documentation Using...
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DTO Pattern and ModelMapper in Java

Table of Contents Introduction to DTO Pattern Benefits of Using DTO Introduction to ModelMapper Using ModelMapper to Convert Entities to DTOs Example: Using DTOs and ModelMapper in Spring Boot Conclusion 1....
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JPQL, Native Queries, Pagination & Sorting in Spring Data JPA

Table of Contents Introduction to JPQL (Java Persistence Query Language) Native Queries in Spring Data JPA Pagination and Sorting Conclusion 1. Introduction to JPQL (Java Persistence Query Language) JPQL (Java...
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Defining Entities and Relationships in Java with JPA

Table of Contents Introduction to Entities and Relationships Defining Entities in JPA Defining Relationships in JPA One-to-One Relationship One-to-Many Relationship Many-to-One Relationship Many-to-Many Relationship Cascading Operations in Relationships Fetching Strategies: Eager vs Lazy...
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JPA Repositories & CRUD Operations

Table of Contents Introduction to JPA Repositories CRUD Operations in Spring Data JPA Working with Repository Interfaces Customizing CRUD Operations Paging and Sorting with JPA Repositories Conclusion 1. Introduction to JPA...
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Introduction to Spring Data JPA

Table of Contents Introduction to Spring Data JPA Benefits of Using Spring Data JPA Setting Up Spring Data JPA in a Spring Boot Application Understanding JPA and Hibernate Common...
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Global Exception Handling with @ControllerAdvice

Table of Contents Introduction Overview of Exception Handling in Spring Using @ControllerAdvice for Global Exception Handling Implementing Global Exception Handler Handling Specific Exceptions Customizing Response for Exceptions Conclusion 1. Introduction In real-world applications,...

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Profiles and Environment Setup in Spring Boot

Kumar Prafull -
Table of Contents Introduction to Spring Profiles Why Use Profiles? Defining Profiles Activating Profiles Profile-Specific Configuration Files Programmatic Profile Activation Conditional Beans with @Profile Default Profiles Multi-Profile Configurations Best Practices Conclusion 1. Introduction to Spring Profiles Spring Boot supports a powerful feature called profiles, which allows you to define sets of configuration...

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