Required MongoDB Knowledge
- CRUD: Create, Read, Update, and Delete operations
- Data Modeling: embedding, references, document growth, modeling one-to-one and one-to-many relationships, modeling for atomic operations, modeling tree structures
- Indexing and Performance: single key, compound, multi-key, mechanics, storage engines, and performance
- Aggregation: pipeline, operators, memory usage, sort, skip, and limit
- Replication: configuration, oplog concepts, write concern, elections, failover, and deployment to multiple data centers
- Sharding: components, when to shard, balancing, shard keys, and hashed shard keys
Required General IT Knowledge
- Fundamental database concepts
- Fundamentals of system programming
- Basic JavaScript programming
- Fundamentals of software development
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