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5 cards from this section. Quick, good the night before a test.
What method would you use to add a new document to a collection in MongoDB?
Think of the word 'insert' and how it relates to adding information.
What is the command to find users older than 30?
Remember how comparisons work in queries.
What does 'CRUD' stand for?
Think about the basic actions we perform on data.
True or False: updateOne() can only update one field in a document.
Consider how many updates you can apply at once.
Create a MongoDB script that demonstrates all four CRUD operations in sequence, where you add a product, read its details, update its price, and finally delete it.
Ensure each operation references the previous one.
Explain how maintaining data hygiene in a database can be related to performing CRUD operations efficiently.
Think about how you keep a clean workspace and how it relates to data.
5 more questions in this section. Enroll free to practise them all.
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