FAQ?
Is MongoDB easy or hard?
Yes mongodb is very easy and you can learn it from mongodb university and they will also provide you certificate for the same free of cost. Easy to learn, hard to master it! What are the prerequisites of learning MongoDB? I am answering this because one fine day, I felt the urge to learn mongoDB, and I did.
When to use MongoDB and Hadoop?
Hadoop is best for Large-Scale processing application whereas MongoDB is best for Real-Time Mining of data and Processing. MongoDB belongs to the NoSQL family whereas Hadoop use of SQL for processing of data. Hadoop is flexible in the format data; it can be of any available format whereas MongoDB imports only CSV and JSON format data.
Is MongoDB and LDAP the same concept?
MongoDB binds to an LDAP server specified in security.ldap.servers using the provided username or, if a transformation was applied, the transformed username. MongoDB uses simple binding by default, but can also use sasl binding if configured in security.ldap.bind.method and security.ldap.bind.saslMechanisms.
Does MongoDB have schema?
Wild & Free: MongoDB Without A Schema. Going “schemaless” is a bit of a misnomer as there are very few production use cases where data is entirely unstructured. Most Mongo data usually has an implied structure. In fact MongoDB recently announced version 3.2 which includes some tools for inferring a schema from your data and validating it. While your data may evolve over time it usually has a common backbone in each collection that you base your queries off of.
