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- NeuralBlitz/Mito
- 最近来源活动
- 2026年3月22日 13:29
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SKILL.md
来源说明 · 只读预览- name
- relational
- description
- Relational data model, normalization, and query optimization
- license
- MIT
- compatibility
- opencode
- metadata
- {"audience":"developers","category":"databases"}
## What I do
- Apply relational algebra and set theory
- Design normalized schemas (1NF, 2NF, 3NF, BCNF)
- Write complex SQL queries and joins
- Optimize query performance
- Implement referential integrity
## When to use me
When working with relational databases, designing data models, or writing complex queries.
## Key Concepts
### Normalization Forms
- **1NF**: Atomic values, no repeating groups
- **2NF**: No partial dependencies
- **3NF**: No transitive dependencies
- **BCNF**: Boyce-Codd normal form
- **Denormalization**: When and how to denormalize
### Query Optimization
- Index selection and composite indexes
- Query execution plans
- Join order optimization
- Subquery vs join
- Partition pruning
### Transactions
- ACID properties
- Isolation levels (READ UNCOMMITTED, READ COMMITTED, REPEATABLE READ, SERIALIZABLE)
- Locking strategies
- Deadlock prevention
- Savepoints and rollback
### Advanced SQL
- Window functions
- CTEs (Common Table Expressions)
- Recursive queries
- JSON/JSONB operations
- Full-text search
- Spatial queries
### Design Patterns
- Entity-Attribute-Value (EAV)
- Single Table Inheritance
- Class Table Inheritance
- Materialized paths
- Audit tables
### Performance
- Query profiling
- Index maintenance
- Statistics management
- Connection pooling
- Read replicas
- Partitioning strategies
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