the ................. method limits the number of documents in the result set?*2 pointslimitBy()limitOf()limit()none of the montioned
Question
the ................. method limits the number of documents in the result set?*2 pointslimitBy()limitOf()limit()none of the montioned
Solution
The method that limits the number of documents in the result set is limit().
Similar Questions
which of the following line skips the first 5 documents in the bios collection and returns all remaining documents?*2 pointsdb.bios.find.limit(5)db.bios.find.skip(5)db.bios.find.skip(1)db.bios.find.sort(5)
What is the correct statement to skip first 10 documents and limit the result to 20 documents in MongoDB?db.orders.find().skip(10).limit(20)db.orders.find().limit(20).skip(10)db.orders.find().limit(20).offset(10)db.orders.find().offset(10).limit(20)
Question 201 MarkREVISITIn a document collection consisting of 500 documents, a term appears 50 times in a specific document that contains 1000 words. If this term appears in 100 out of the total 500 documents, what is its TF-IDF score?Answer choicesSelect only one option0.20.3490.03490.319
What is the SQL keyword used to specify the number of rows to retrieve from a result set?OptionsLIMITOFFSETTOPROWS
Count documents in a collectionIn the video, you learned that a MongoDB database can consist of several collections. Collections, in turn, consist of documents, which store the data.You will be working with the Nobel laureates database which we have retrieved as nobel. The database has two collections, prizes and laureates. In the prizes collection, every document correspond to a single Nobel prize, and in the laureates collection - to a single Nobel laureate.Recall that you can access databases by name as attributes of the client, like client.my_database (a connected client is already provided to you as client). Similarly, collections can be accessed by name as attributes of databases (my_database.my_collection).Use the console on the right to compare the number of laureates and prizes using the .count_documents() method on a collection (don't forget to specify an empty filter document as the argument!), and pick a statement that is TRUE.
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.