NoSQL Databases

  1. Major NoSQL Database Models
    1. Key-Value Stores
      1. Core Concepts
        1. Dictionary Model
          1. Hash Map Structure
            1. Simple Key-Value Pairs
            2. Architecture and Operations
              1. Data Storage Structure
                1. Basic Operations
                  1. Get Operation
                    1. Put Operation
                      1. Delete Operation
                        1. Batch Operations
                        2. Memory vs Disk Storage
                          1. Persistence Mechanisms
                          2. Data Model Characteristics
                            1. Opaque Value Storage
                              1. Value Type Flexibility
                                1. Key Design Considerations
                                2. Strengths and Advantages
                                  1. Simplicity of Design
                                    1. High Performance
                                      1. Linear Scalability
                                        1. Ease of Distribution
                                          1. Low Latency Access
                                          2. Weaknesses and Limitations
                                            1. Limited Querying Capabilities
                                              1. Lack of Relationships
                                                1. No Secondary Indexes
                                                  1. Simple Data Model
                                                  2. Common Use Cases
                                                    1. Caching Systems
                                                      1. Session Management
                                                        1. Real-Time User Profiles
                                                          1. Shopping Carts
                                                            1. Configuration Storage
                                                              1. Distributed Locking
                                                            2. Document Databases
                                                              1. Core Concepts
                                                                1. Document-Oriented Storage
                                                                  1. Self-Describing Documents
                                                                    1. Nested Data Structures
                                                                    2. Data Formats
                                                                      1. JSON Documents
                                                                        1. BSON Format
                                                                          1. XML Documents
                                                                            1. YAML Support
                                                                            2. Architecture and Operations
                                                                              1. Collections Organization
                                                                                1. Document Structure
                                                                                  1. CRUD Operations
                                                                                    1. Create Operations
                                                                                      1. Read Operations
                                                                                        1. Update Operations
                                                                                          1. Delete Operations
                                                                                          2. Rich Querying Capabilities
                                                                                            1. Indexing Support
                                                                                              1. Aggregation Frameworks
                                                                                              2. Strengths and Advantages
                                                                                                1. Flexible Schema
                                                                                                  1. Intuitive Data Model
                                                                                                    1. Nested Data Structures
                                                                                                      1. Powerful Query Capabilities
                                                                                                        1. Developer Productivity
                                                                                                        2. Weaknesses and Limitations
                                                                                                          1. Complex Transactions
                                                                                                            1. Data Duplication Issues
                                                                                                              1. Document Size Limitations
                                                                                                                1. Join Operation Complexity
                                                                                                                2. Common Use Cases
                                                                                                                  1. Content Management Systems
                                                                                                                    1. Product Catalogs
                                                                                                                      1. User Profiles
                                                                                                                        1. Blogging Platforms
                                                                                                                          1. Real-Time Analytics
                                                                                                                            1. Mobile Applications
                                                                                                                          2. Wide-Column Stores
                                                                                                                            1. Core Concepts
                                                                                                                              1. Two-Dimensional Key-Value Model
                                                                                                                                1. Column-Oriented Storage
                                                                                                                                  1. Sparse Data Handling
                                                                                                                                  2. Architecture and Terminology
                                                                                                                                    1. Keyspace Organization
                                                                                                                                      1. Column Family Structure
                                                                                                                                        1. Row Key Design
                                                                                                                                          1. Column Structure
                                                                                                                                            1. Timestamp Versioning
                                                                                                                                              1. Super Columns
                                                                                                                                              2. Comparison to Relational Tables
                                                                                                                                                1. Schema Flexibility
                                                                                                                                                  1. Dynamic Columns
                                                                                                                                                    1. Sparse Data Efficiency
                                                                                                                                                    2. Strengths and Advantages
                                                                                                                                                      1. High Write Throughput
                                                                                                                                                        1. Excellent Scalability
                                                                                                                                                          1. Efficient Sparse Data Storage
                                                                                                                                                            1. Time-Series Data Handling
                                                                                                                                                              1. Compression Benefits
                                                                                                                                                              2. Weaknesses and Limitations
                                                                                                                                                                1. Complex Data Modeling
                                                                                                                                                                  1. Limited Ad-Hoc Querying
                                                                                                                                                                    1. Learning Curve
                                                                                                                                                                      1. Secondary Index Limitations
                                                                                                                                                                      2. Common Use Cases
                                                                                                                                                                        1. Large-Scale Analytics
                                                                                                                                                                          1. Time-Series Data
                                                                                                                                                                            1. Logging and Event Data
                                                                                                                                                                              1. Sensor Data Storage
                                                                                                                                                                                1. Financial Data
                                                                                                                                                                                  1. Recommendation Systems
                                                                                                                                                                                2. Graph Databases
                                                                                                                                                                                  1. Core Concepts
                                                                                                                                                                                    1. Graph Theory Foundations
                                                                                                                                                                                      1. Network Data Modeling
                                                                                                                                                                                        1. Relationship-Centric Approach
                                                                                                                                                                                        2. Architecture and Terminology
                                                                                                                                                                                          1. Nodes and Vertices
                                                                                                                                                                                            1. Edges and Relationships
                                                                                                                                                                                              1. Properties and Attributes
                                                                                                                                                                                                1. Labels and Types
                                                                                                                                                                                                2. Graph Traversal Algorithms
                                                                                                                                                                                                  1. Depth-First Search
                                                                                                                                                                                                    1. Breadth-First Search
                                                                                                                                                                                                      1. Shortest Path Algorithms
                                                                                                                                                                                                        1. PageRank Algorithm
                                                                                                                                                                                                          1. Community Detection
                                                                                                                                                                                                          2. Query Languages
                                                                                                                                                                                                            1. Declarative Query Languages
                                                                                                                                                                                                              1. Cypher Query Language
                                                                                                                                                                                                                1. SPARQL
                                                                                                                                                                                                                2. Imperative Query Languages
                                                                                                                                                                                                                  1. Gremlin
                                                                                                                                                                                                                    1. GraphQL
                                                                                                                                                                                                                    2. SQL Extensions for Graphs
                                                                                                                                                                                                                    3. Strengths and Advantages
                                                                                                                                                                                                                      1. Relationship Performance
                                                                                                                                                                                                                        1. Complex Relationship Modeling
                                                                                                                                                                                                                          1. Flexible Schema for Relationships
                                                                                                                                                                                                                            1. Pattern Matching
                                                                                                                                                                                                                              1. Real-Time Recommendations
                                                                                                                                                                                                                              2. Weaknesses and Limitations
                                                                                                                                                                                                                                1. Scaling Challenges
                                                                                                                                                                                                                                  1. Distributed Graph Complexity
                                                                                                                                                                                                                                    1. Memory Requirements
                                                                                                                                                                                                                                      1. Limited Analytical Capabilities
                                                                                                                                                                                                                                      2. Common Use Cases
                                                                                                                                                                                                                                        1. Social Networks
                                                                                                                                                                                                                                          1. Recommendation Engines
                                                                                                                                                                                                                                            1. Fraud Detection
                                                                                                                                                                                                                                              1. Network and IT Operations
                                                                                                                                                                                                                                                1. Knowledge Graphs
                                                                                                                                                                                                                                                  1. Master Data Management

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                                                                                                                                                                                                                                              2. Fundamental Concepts and Theories

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                                                                                                                                                                                                                                              4. Data Modeling in NoSQL