MongoDB Admin in Delhi

• Understanding the Fundamentals of Databases 
• Database Categories: What is NoSQL and Why NoSQL? 
• Benefits of NoSQL over RDBMS 
• Types of NoSQL Databases and SQL vs NoSQL Comparison 
• Overview of MongoDB: Design Goals, Tools, and Architecture 
• Understanding Key Concepts: Collections, Documents, and Key/Value Pairs 
• Introduction to JSON and BSON Documents 
• Live Hands-On Environment Setup with MongoDB Tools 

• Fundamentals of CRUD Operations (Create, Read, Update, Delete) 
• MongoDB CRUD Concepts and Syntax 
• Read and Write Concerns: Journaling, Concern Levels 
• Query Optimization and Cursor Behavior in MongoDB 
• Distributed Read & Write Queries 
• MongoDB Datatypes and CRUD Query Syntax (Live Hands-On) 
• Batch Insert Operations: Ordered vs Unordered Bulk Insert 
• Retrieving Documents with Equality and Condition Filters 
• Advanced Query Options:

$in, $and, $or Operators 

Regular Expressions 

Pagination with Cursors 

• Update Operations: 

$set, $unset, $inc Modifiers

Upsert Operation 

• Removing Documents and Bulk Delete Operations 

• Key Administration Concepts in MongoDB 
• Database Monitoring at Server, Collection, and Database Levels 
• Performance Metrics: Profiling, Locks, Memory Usage, Page Faults 
• Backup & Recovery Methods: 

Exporting & Importing Data 

MongoDump, MongoRestore, and Snapshot Methods 

• Runtime Configuration & Best Practices for Production Environments 
• Managing Data in MongoDB: Capped Collections, TTL Collections 
• GridFS for File Storage 
• Journaling Mechanics and Storage Engines 
• Performance Diagnosis and Optimization Strategies 
• MongoDB Commands & Utilities 
• MongoDB Management Service (MMS) 
• Data Backup Strategies: Fsync & Lock, Ops Manager Backup 
• Security Implementation: Authentication, Authorization, and Auditing 

• Introduction to Indexing in MongoDB 
• Index Concepts and Properties 
• Different Types of Indexes and their Use Cases 
• Index Creation and Management on Replica Sets 
• Sorting and Text Indexes for Full-Text Search 
• Creating, Removing, and Rebuilding Indexes 
• Listing and Reporting Index Usage 
• Geospatial Indexing and MongoDB Query Operators 

• MongoDB Security Fundamentals 
• Authentication & Authorization Mechanisms 
• Role-Based Access Control (RBAC) in MongoDB 
• Security Best Practices for Production Environments 
• End-to-End Auditing for Compliance 
• Encryption and Data Protection Techniques 

• Overview of Indexing and Its Importance 
• Index Types and Usage Scenarios 
• Single Field, Compound, Multikey, and Geospatial Indexes 
• Text Indexing and Full-Text Search 
• Index Creation and Management on Replica Sets 
• Removing and Rebuilding Indexes 
• Index Use Measurement and Optimization 
• Index Use Reporting & Control   

• Introduction to Replication and High Availability 
• Replica Sets and Master-Slave Replication Concepts 
• Types of Replication in MongoDB 
• Setting Up and Managing Replica Sets 
• Automatic Failover Mechanism in MongoDB 
• Write Concerns and Write Concern Levels 
• Modifying Default Write Concern 
• Read Preferences and Read Preference Modes 
• Blocking for Replication & Tag Sets Configuration 
• Deployment Strategies for Replica Sets 
• Oplog File and Local Database in Replication 
• Replication Administration and Best Practices 

• Importing and Exporting MongoDB Data 
• MongoDB Backup and Restore Methods 
• Point-in-Time Recovery for MongoDB 
• Restoring Replica Sets from Backups 
• Data Recovery after Unexpected Shutdowns 
• File System Snapshots for Backup 
• MongoDB Tools for Backup and Restore 
• Sharded Cluster Backup and Recovery

• Introduction to MongoDB Aggregation Framework 
• Approaches to Aggregation: Pipeline, MapReduce, Single Purpose 
• Performance Tuning Techniques 
• Array Exact Match and Projection Operators 
• $Where Queries and Advanced Modifiers 
• $Push and $addToSet for Array Operations 
• Positional Array Modifications 
• Aggregation Pipeline Stages and Operators 
• Using Indexes in Aggregations 
• $GeoWithin Operator and Geospatial Aggregation 

• What is Sharding? Understanding MongoDB Sharding 
• Concepts: Shards, Shard Keys, Config Servers, Query Routers 
• Setting Up Sharding and Managing Sharded Clusters 
• Types of Sharding: 
• Hash-Based Sharding 
• Range-Based Sharding 
• Choosing the Right Shard Key 
• Impact of Shard Keys on Cluster Performance 
• Production Cluster Deployment and Architecture 
• Config Server Availability and Deployment Patterns 
• Splitting and Balancing Chunks 
• Shard Balancing and Customized Data Distribution 
• Tag-Aware Sharding for Controlled Distribution 

• Introduction to MongoDB Atlas for Cloud Deployments 
• Exploring MongoDB Cloud Products 
• Migrating to MongoDB Atlas from Other Cloud Platforms 
• Using MongoDB Ops Manager for Database Management 
• Best Practices for MongoDB Cloud Deployments

• Achieving Zero-Downtime Rolling Upgrades 
• Step-by-Step MongoDB Upgrade Process 
• Managing Upgrades on Replica Sets and Sharded Clusters 
• Pre and Post Upgrade Checks 

• Troubleshooting Slow Queries in MongoDB 
• Diagnosing Connectivity Issues and Query Latency 
• Understanding Diagnostic Tools and Logs 
• Common Production Issues and Their Solutions 
• Real-Time Diagnostics with CurrentOps(), ServerStatus(), dbStats() 
• Analyzing MongoDB Oplog for Issue Identification 

• Debugging in MongoDB: Common Pitfalls and Fixes 
• Performance Optimization Techniques 
• Tools for Identifying Performance Issues 
• Factors Influencing Database Performance 
• MVCC (Multiversion Concurrency Control) in MongoDB 
• Using Cloud Tools: Ops, Atlas, Compass, Studio 3T 
• Interpreting MongoDB Logs for Performance Analysis 

• Latest Features in MongoDB (including Queryable Encryption) 
• CAP Theorem with MongoDB 
• Understanding ACID & BASE Properties in NoSQL 
• Engaging MongoDB Support (MongoDB Inc) for Issue Resolution 
• Special Topics and Emerging Trends in MongoDB