Document database
A document database built around flexible JSON-like documents.
Stores data as BSON documents with a flexible schema, secondary indexes, an aggregation pipeline, multi-document transactions, replica sets and horizontal sharding.
MongoDBBeginnerA server selection timeout means the driver can't reach the cluster; a pool timeout means you've run out of connections. How to diagnose each, including the serverless one-client-per-request trap.
#configuration#nosql#troubleshooting
MongoDBBeginnerTwelve common MongoDB relationships, from user addresses to org charts, each with an embed, reference or hybrid verdict, the document shape and the reason.
#data-modeling#nosql#schema-design
MongoDBAdvancedA complete schema for a multi-tenant project tracker: collections, types, ESR indexes checked with explain(), validation, migrations, write concerns and sharding readiness.
#data-modeling#indexing#nosql
MongoDBAdvancedSeven ordered questions that decide embed, reference or a hybrid, the mechanical cost of each choice, and a help desk schema worked through end to end.
#data-modeling#nosql#schema-design
MongoDBIntermediateA catalogue of twelve MongoDB modeling patterns, each with a document shape, the query or update that uses it, and what it costs.
#data-modeling#nosql#schema-design
MongoDBIntermediateHow to design a MongoDB schema from the workload, the hard limits that constrain it, and seven anti-patterns with a way to detect and fix each.
#data-modeling#nosql#performance
MongoDBIntermediateThe 100 MB blocking-sort limit means your index doesn't provide the sort order. Build compound indexes with the ESR rule, order pipeline stages correctly, and know when allowDiskUse is fine.
#indexing#nosql#performance
MongoDBBeginnerThe core modeling decision in MongoDB, with simple rules of thumb for one-to-few, one-to-many and many-to-many relationships.
#data-modeling#nosql#schema-design
MongoDBBeginnerWhat the mongod server process does, how it differs from mongos and mongosh, the options and config file that control it, and how to start and stop it safely.
#open-source
MongoDBBeginnerHow MongoDB stores data as documents, how to query, update, aggregate and index them in mongosh, and where it fits compared with a relational database.
MongoDBBeginnerInstall MongoDB Community Edition on Windows with the MSI installer, add mongosh, verify the service, enable access control and fix common setup errors.
#installation#windows#windows-10
