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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.
1. |
MongoDB _________ method is used to delete a document from the collection. |
A. | drop() |
B. | remove() |
C. | delete() |
D. | None of the above |
E. | |
Answer» C. delete() | |
2. |
The update() method updates the values in the existing document. |
A. | TRUE |
B. | FALSE |
C. | Can be true or false |
D. | Can not say |
Answer» B. FALSE | |
3. |
Apart from the find() method, there is findOne() method, that returns only one document. |
A. | TRUE |
B. | FALSE |
C. | Can be true or false |
D. | Can not say |
Answer» B. FALSE | |
4. |
To display the results in a formatted way, you can use _______ method. |
A. | beautify() |
B. | simple() |
C. | pretty() |
D. | unify() |
Answer» D. unify() | |
5. |
find() method will display all the documents in a __________ way. |
A. | structured |
B. | non-structured |
C. | simple |
D. | complex |
Answer» C. simple | |
6. |
To query data from MongoDB collection, you need to use MongoDB ______ method. |
A. | select() |
B. | find() |
C. | show() |
D. | All of the above |
Answer» C. show() | |
7. |
_id is ________ bytes hexadecimal number unique for every document in a collection. |
A. | 4 |
B. | 8 |
C. | 10 |
D. | 12 |
Answer» E. | |
8. |
The basic syntax of insert() command is? |
A. | db.insertCOLLECTION_NAME(document) |
B. | db.COLLECTION_NAME.insert(document) |
C. | COLLECTION_NAME.insert(document) |
D. | db.COLLECTION_NAME.create(document) |
Answer» C. COLLECTION_NAME.insert(document) | |
9. |
To insert data into MongoDB collection, you need to use MongoDB's __________ method. |
A. | save() |
B. | insert() |
C. | Both A and B |
D. | Can not say |
Answer» D. Can not say | |
10. |
MongoDB stores data records as ______. |
A. | ZSON documents. |
B. | JSON documents |
C. | BSON documents |
D. | WSON documents. |
Answer» D. WSON documents. | |