Exam (elaborations)
NoSQL endka 100% Correct
- Module
- Institution
NoSQL endka 100% Correct...
[Show more]
Seller
Follow
Easton
Reviews received
Content preview
NoSQL endka 100% CorrectHow to insert Many Documents
a.there is no right answer
b.db. <Collection name>.insertOne()
c.db. <Collection name>.insertOne(<object>)
d.all answers are correct
e.db. <Collection name>.insert(<Array of objects>) - ANSWER e.db. <Collection
name>.insert(<Array of objects>)
How to skip certain number of the documents
a.there is no right answer
b.cursor.limit(<number>)
c.cursor.sort({<field1>: 1})
d.cursor.count()
e.cursor.skip(<number>) - ANSWER e.cursor.skip(<number>)
How to create new Collection?
a.db. <database name>.drop()
b.there is no right answer
c.db.dropDatabase()
d.Use <database name>
e.db.createCollection("<Collection name>") - ANSWER
e.db.createCollection("<Collection name>")
How to Returns One Document in Extended JSON format
, a.all answers are correct
b.db. <Collection name>.insertMany()
c.there is no right answer
d.db. <Collection name>.insertOne(<object>)
e.db. <Collection name>.findOne(<query>,<fields> ) - ANSWER e.db. <Collection
name>.findOne(<query>,<fields> )
How to List all Collections inside active Database
a.show collections
b.db.dropDatabase()
c.db. <database name>.drop()
d.db.createCollection("<Collection name>")
e.Use <database name> - ANSWER a.show collections
Which one is not Comparison Operators?
a.$exists
b.$ne
c.$gte
d.$gt - ANSWER a.$exists
Which one is an Update Operators
a.all answers are correct
b.$mul
c.$addToSet
d.$rename
e.$pop - ANSWER a.all answers are correct
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Easton. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £12.16. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
60281 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now