Explanation:Data model that describes a tree-like structure in MongoDB documents by storing references to “parent” nodes in children nodes. 2. Point out the correct statement :
A. The query to retrieve the parent of a node is fast and straightforward
B. The query to retrieve the parent of a node is slow and straightforward
C. The query to retrieve the parent of a node is slow and complex
D. All of the mentioned
Answer:A
Explanation:Data model that describes a tree-like structure in MongoDB documents by storing references to “parent” nodes in children nodes. 2. Point out the correct statement :
A. The query to retrieve the parent of a node is fast and straightforward B. The query to retrieve the parent of a node is slow and straightforward C. The query to retrieve the parent of a node is slow and complex D. All of the mentioned
Explanation:You can create an index on the field to enable fast search by the parent node. 3. The ________ Links pattern provides a simple solution to tree storage but requires multiple queries to retrieve subtrees.