Explanation:Shard keys are immutable and cannot be changed after insertion. 4. You can return a list of the collections, with the following helper:
A. show collects
B. show collection
C. show collections
D. All of the mentioned
Answer:A
Explanation:Shard keys are immutable and cannot be changed after insertion. 4. You can return a list of the collections, with the following helper:
A. show collects B. show collection C. show collections D. All of the mentioned
Explanation:To access the config database, connect to a mongos instance in a sharded cluster, and use the following helper: use config. 5. Point out the wrong statement :