LinkedIn NoSQL

   linkedin NoSQL assessment

What does redis use to sort the elements of a sorted set?

• Scores.
• Ids.
• Values.
• Keys. 

linkedin NoSQL assessment answers

What does Redis use to sort the elements of a sorted set?

• keys
•  values
•  scroes 
•  Ids

linkedin NoSQL database test

You need to change the shard key on an existing MongoDB collection. What do you do?

• Dump the collection data, drop the collection, create a new collection and shard key, import the data.
• Add second shard key and drop the first shard key.
• Dump the collection data, drop the collection, presplit the data, create a new collection and shard key, import the data. 
• Drop and recreate the shard key.

NoSQL linkedin assessment

Polyglot storage mean using multiple types of what in the same application?

• database systems
• security systems
• storage systems
• query systems

NoSQL linkedin learning

Polyglot storage mean using multiple types of what in the same application?

•  security systems
• databse systems
• query systems
• storage systems