Teaching Rajasthan Basic Computer Instructor 2021 Mock Test DBMS Introduction and ER Model Database Introduction
Point out the correct statement. ?
1
Documents can contain many different key-value pairs, or key-array pairs, or even nested documents
2
When compared to relational databases, NoSQL databases are more scalable and provide superior performance
3
MongoDB has official drivers for a variety of popular programming languages and development environments
4
All of the above