Explanation: The TTL feature relies on a background thread in mongod that reads the date-typed values in the index and removes expired documents from the collection. 3. If the indexed field in a document is not a _____ or an array that holds a date value(s), the document will not expire.
A. DATE
B. TIME
C. DATETIME
D. All of the mentioned
Answer:A
Explanation: The TTL feature relies on a background thread in mongod that reads the date-typed values in the index and removes expired documents from the collection. 3. If the indexed field in a document is not a _____ or an array that holds a date value(s), the document will not expire.
A. DATE B. TIME C. DATETIME D. All of the mentioned
Explanation:Built-in first-in-first-out property maintains the order of events, while managing storage use. 4. When the TTL thread is active, you will see _______ operations in the output of db.currentOp().