Amazing world about data

Developer, ThoughtWorker, Data Architect and Data Specialist

NoSQL

2 minutes read

There are multiple ways to take backups of mongodb is different configuraitions, one of the configuration that I have been involved recently is replica-sets. When mongodb is running in replica-set configuration, there is a single primary node and multiple secondary nodes. To take backup of the replica-set we can either do a mongodump of one of the nodes or shutdown one of the secondary nodes and take file copies, since in a replica-set all nodes have the same data (except arbiter). Lets see how…

2 minutes read

We are using MongoDB on our project, since mongo is document store, schema design is somewhat different, when you are using traditional RDBMS data stores, one thinks about tables and rows, while using a document database you have to think about the schema in a some what different way. Lets say, we want to save a customer object, when using a RDBMS we would come up with Customer, Address, Phone, Email. They are related to each other as shown below. {% img /static/images/customer.jpg 448 367…

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