Databases · Junior · Question 53 of 75
What is the main idea of a document database like MongoDB?
- ✓Correct answer: Records are flexible JSON-like documents, and related data is often stored inside one document
- 2It stores only PDF and Word documents
- 3Data is stored in strict tables with joins
Explanation
An order with its items can be one document, read in a single operation. The trade-off: duplicated data and weaker support for cross-document queries.