Explanation:The storage environment is essentially virtualized from the developer’s perspective. 8. Which of the following are the simplest NoSQL databases ?
A. Key-value
B. Wide-column
C. Document
D. All of the mentioned
Answer:A
Explanation:The storage environment is essentially virtualized from the developer’s perspective. 8. Which of the following are the simplest NoSQL databases ?
A. Key-value B. Wide-column C. Document D. All of the mentioned
Explanation:Every single item in the database is stored as an attribute name (or “key”), together with its value in Key-value stores. 9. ________ stores are used to store information about networks, such as social connections.