What is the syntax for querying a PouchDB database using a map/reduce function?

PouchDB - Quiz(MCQ)

map(mapFunction, reduceFunction)

query(mapFunction, reduceFunction)

reduce(mapFunction, reduceFunction)

mapReduce(mapFunction, reduceFunction)

Correct Answer : db.mapReduce(mapFunction, reduceFunction)

Explanation : The syntax for querying a PouchDB database using a map/reduce function is “db.mapReduce(mapFunction, reduceFunction)”.

Recently Updated in PouchDB Questions

What is the syntax for using the PouchDB 'Find' plug-in to query a database?

query(query)

filter(query)

search(query)

find(query)

Correct Answer : db.find(query)

Explanation : The syntax for using the PouchDB “Find” plug-in to query a database is “db.find(query)”.

What is the purpose of PouchDB's 'Find' plug-in?

To create indexes for fast queries

To replicate data between databases

To provide a simplified query syntax

To monitor changes to the database in real-time

Correct Answer : To provide a simplified query syntax

Explanation : PouchDB’s “Find” plug-in provides a simplified query syntax for querying the database.

What is the purpose of PouchDB's 'destroy' API?

To backup a database to a file

To permanently delete a database

To empty a database of all documents

To compress a database to save disk space

Correct Answer : To permanently delete a database

Explanation : PouchDB’s “destroy” API allows you to permanently delete a database, removing it from the file system.

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