Explanation:Shard keys are immutable and cannot be changed after insertion. 4. Hashed shard keys use a ________ index of a single field as the shard key to partition data across your sharded cluster.
A. hashed
B. unique
C. multkikey
D. All of the mentioned
Answer:A
Explanation:Shard keys are immutable and cannot be changed after insertion. 4. Hashed shard keys use a ________ index of a single field as the shard key to partition data across your sharded cluster.
A. hashed B. unique C. multkikey D. All of the mentioned
Explanation:The field you choose as your hashed shard key should have a good cardinality, or large number of different values. 5. Point out the correct statement :