Learn DATALOG with Real Code Examples
Updated Nov 20, 2025
Architecture
Rule-based evaluation engine
Bottom-up fixed-point computation
Predicate and fact storage system
Dependency graph for stratified negation
Optimized relational algebra backend
Rendering Model
Bottom-up evaluation
Fixed-point computation
Recursive rule resolution
Predicate graph traversal
Stratified negation layers
Architectural Patterns
Inference engines
Static analysis pipelines
Graph reasoning services
Policy evaluation architectures
Knowledge-rule systems
Real World Architectures
Static analysis frameworks
Graph reasoning engines
Access-control systems
Knowledge-relation databases
Compiler optimization systems
Design Principles
Declarative rule-based computation
Predictable termination
Logic purity
Efficient relational evaluation
Recursive reasoning
Scalability Guide
Use compiled Soufflé for large datasets
Parallelize rule evaluation
Partition facts by domain
Optimize joins
Cache recurring derived relations
Migration Guide
Convert Prolog logic to Datalog by removing complex terms
Transform SQL recursive queries to Datalog rules
Refactor monolithic rules into modular components
Use Soufflé for performance-critical workloads
Replace custom rule engines with declarative Datalog rules