Why Databases MatterCore Concepts: Schemas, Tables, Collections,
and DocumentsMongoDB: NoSQL for Flexible SchemasInstallationStarting MongoDB LocallyConnecting with MongoosePostgreSQL: SQL Power and StructureInstallationConnecting with SequelizeSQLite: Lightweight and EmbeddedInstallationConnecting with SequelizeLocal Versus Cloud-Hosted DatabasesCloud ServicesDatabase Comparison for Node ApplicationsChoosing a persistence layerRedis: In-Memory Speed for Caching and QueuesInstallationConnecting from NodeUsing Redis as a QueueRabbitMQ: Queue-Based Messaging for Node AppsInstallationConnecting from NodeNext StepsSummary