Graph Databases

  1. Graph Query Languages and Processing
    1. Cypher Query Language
      1. Language Fundamentals
        1. Declarative Query Approach
          1. ASCII Art Pattern Syntax
            1. Case Sensitivity Rules
              1. Comment Syntax
              2. Core Query Clauses
                1. MATCH Pattern Matching
                  1. WHERE Filtering Conditions
                    1. RETURN Result Projection
                      1. CREATE Node and Relationship Creation
                        1. MERGE Upsert Operations
                          1. DELETE and DETACH DELETE
                            1. SET Property Updates
                              1. REMOVE Property and Label Removal
                                1. WITH Query Chaining
                                2. Advanced Pattern Matching
                                  1. Variable Length Paths
                                    1. Optional Patterns
                                      1. Pattern Comprehensions
                                        1. Shortest Path Functions
                                          1. All Shortest Paths
                                          2. Data Manipulation Operations
                                            1. Node Creation Patterns
                                              1. Relationship Creation Patterns
                                                1. Bulk Data Operations
                                                  1. Conditional Logic
                                                  2. Functions and Expressions
                                                    1. String Functions
                                                      1. Mathematical Functions
                                                        1. Date and Time Functions
                                                          1. Collection Functions
                                                            1. Aggregation Functions
                                                            2. Query Optimization
                                                              1. Index Usage Strategies
                                                                1. Query Plan Analysis
                                                                  1. Performance Profiling
                                                                    1. Best Practice Patterns
                                                                  2. Gremlin Traversal Language
                                                                    1. Traversal Fundamentals
                                                                      1. Graph Traversal Source
                                                                        1. Step-Based Query Construction
                                                                          1. Lazy Evaluation Model
                                                                            1. Traversal Strategies
                                                                            2. Core Traversal Steps
                                                                              1. Vertex and Edge Selection
                                                                                1. Property Access Steps
                                                                                  1. Filtering Operations
                                                                                    1. Transformation Steps
                                                                                      1. Side Effect Steps
                                                                                      2. Data Processing Steps
                                                                                        1. Grouping and Aggregation
                                                                                          1. Sorting and Ordering
                                                                                            1. Limiting and Sampling
                                                                                              1. Deduplication
                                                                                              2. Advanced Traversal Patterns
                                                                                                1. Conditional Traversals
                                                                                                  1. Loop Constructs
                                                                                                    1. Recursive Patterns
                                                                                                      1. Subgraph Extraction
                                                                                                      2. Language Variants
                                                                                                        1. Gremlin-Groovy
                                                                                                          1. Gremlin-Java
                                                                                                            1. Gremlin-Python
                                                                                                              1. Gremlin-JavaScript
                                                                                                            2. SPARQL Query Language
                                                                                                              1. Query Structure and Syntax
                                                                                                                1. Prefix Declarations
                                                                                                                  1. Query Forms Overview
                                                                                                                    1. Triple Pattern Syntax
                                                                                                                      1. Variable Binding
                                                                                                                      2. Query Forms
                                                                                                                        1. SELECT Queries
                                                                                                                          1. CONSTRUCT Queries
                                                                                                                            1. ASK Queries
                                                                                                                              1. DESCRIBE Queries
                                                                                                                              2. Graph Pattern Matching
                                                                                                                                1. Basic Graph Patterns
                                                                                                                                  1. Optional Patterns
                                                                                                                                    1. Alternative Patterns
                                                                                                                                      1. Negative Patterns
                                                                                                                                      2. Filtering and Constraints
                                                                                                                                        1. FILTER Expressions
                                                                                                                                          1. Built-in Functions
                                                                                                                                            1. Regular Expressions
                                                                                                                                              1. Numeric Comparisons
                                                                                                                                              2. Advanced Features
                                                                                                                                                1. Subqueries
                                                                                                                                                  1. Property Paths
                                                                                                                                                    1. Aggregation Functions
                                                                                                                                                      1. Solution Modifiers
                                                                                                                                                      2. Federated Queries
                                                                                                                                                        1. SERVICE Keyword
                                                                                                                                                          1. Distributed Query Processing
                                                                                                                                                            1. Endpoint Discovery
                                                                                                                                                          2. SQL Extensions for Graphs
                                                                                                                                                            1. SQL/PGQ Standard
                                                                                                                                                              1. Property Graph Queries in SQL
                                                                                                                                                                1. Graph Table Definitions
                                                                                                                                                                  1. Path Pattern Syntax
                                                                                                                                                                  2. Implementation Variations
                                                                                                                                                                    1. Oracle Spatial and Graph
                                                                                                                                                                      1. SQL Server Graph Features
                                                                                                                                                                        1. PostgreSQL Graph Extensions
                                                                                                                                                                        2. Integration Benefits
                                                                                                                                                                          1. Familiar SQL Syntax
                                                                                                                                                                            1. Existing Tool Compatibility
                                                                                                                                                                              1. Hybrid Query Capabilities

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                                                                                                                                                                          2. Graph Data Models and Standards

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                                                                                                                                                                          4. Graph Database Architecture and Implementation