MongoDB Skill
Expert assistance for MongoDB database design and operations.
Capabilities
- •Design document schemas
- •Build aggregation pipelines
- •Create optimal indexes
- •Implement data modeling patterns
- •Configure replication and sharding
Aggregation Pipeline
typescript
const results = await collection.aggregate([
{ $match: { status: 'active' } },
{ $group: { _id: '$category', total: { $sum: '$amount' } } },
{ $sort: { total: -1 } },
{ $limit: 10 },
]).toArray();
Indexing
typescript
// Compound index
await collection.createIndex({ userId: 1, createdAt: -1 });
// Text index
await collection.createIndex({ title: 'text', content: 'text' });
Target Processes
- •mern-stack-development
- •database-design
- •backend-development