Sample questions and answers

Try answering the following questions to test your knowledge:

1. Which of the following is a document’s unique identifier, which is often hashed for even data distribution and helps in data retrieval from the document in the document data store?
   1. Primary key
   2. Hash key
   3. Secondary key
   4. Document key
2. The object data values and named string fields in documents are managed by a document data store. The document key is a unique identifier for the document that is frequently hashed to ensure that data is distributed evenly. It facilitates data retrieval from the document. The document key is established automatically in certain document databases, while in others, you must set a property of the document and use it as the document key. Select the correct statement:
   1. A document data store’s document does not have a primary key. The data is obtained using a document key, which is a unique identifier.
   2. In the document data storage, there is no hash key....