NoSQl - AEH- QuizOnline version Riddles on core NoSQL topics. by Swati Nikam 1 I am the hallmark of many NoSQL DBs: flexible structure that can change as you go. What am I? a Normalization b Rigid tables c Fixed schema d Schemaless design 2 Which NoSQL model stores data as documents with nested fields and arrays? a Column-family store b Document store c Graph database d Key-value store 3 In MongoDB, which command inserts a single document into a collection? a db.collection.insertOne() b db.collection.saveOne() c db.collection.add() d db.collection.insert() 4 Which NoSQL model uses columns grouped into families for scalable wide datasets? a Document store b Graph database c Key-value store d Column-family store 5 What prefix in a connection URL indicates you’re connecting to a MongoDB database? a https:// b jdbc:mongodb: c mongodb:// d http:// 6 Which MongoDB operation updates multiple documents matching a filter? a updateOne b replaceOne c bulkInsert d updateMany 7 Which NoSQL model is optimized for traversing relationships like friends in a network? a Column-family store b Graph database c Document store d Key-value store 8 What does CRUD stand for in database operations? a Create Rebuild Update Delete b Construct Read Update Delete c Create Readover Update Delete d Create Read Update Delete
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