Explanation:Documents have certain restrictions on field names. 6. To ensure functioning replication, do not store values that are of the _______ regular expression type in the _id field.
A. JSON
B. XML
C. JScript
D. None of the mentioned
Answer:A
Explanation:Documents have certain restrictions on field names. 6. To ensure functioning replication, do not store values that are of the _______ regular expression type in the _id field.
A. JSON B. XML C. JScript D. None of the mentioned
Explanation:The _id field may contain values of any BSON data type, other than an array. 7. GridFS uses a _________ index on the chunks collection for the files_id and n fields.