MongoDB Associate Developer
The MongoDB Associate Developer certification validates the knowledge to build applications with MongoDB: the document model, CRUD operations and query operators, the aggregation pipeline, indexes and query performance, data-modeling patterns, and using drivers and transactions.
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Start C100DEV examSkills measured
MongoDB Overview and the Document Model
8%BSON types, documents and collections, the _id field, and how MongoDB differs from relational databases.
CRUD Operations
30%insert, find with query and projection, comparison, logical, element and array operators, update operators, upsert, delete, and bulk writes.
Aggregation
25%The pipeline model, $match, $group, $project, $sort, $limit, $lookup, $unwind, accumulators, and $facet.
Indexes
15%Single-field, compound, multikey and text indexes, the ESR rule, covered queries, and explain() and index selectivity.
Data Modeling
10%Embedding vs referencing, one-to-many and many-to-many, schema design patterns, and anti-patterns.
Drivers and Transactions
12%Connecting with a driver, read and write concerns, read preference, error handling, and multi-document ACID transactions.