Explanation: MongoDB clients should add an _id field with a unique ObjectId. 5. Point out the wrong statement :
A. The field names cannot start with the dollar sign ($) character
B. The field names cannot contain the dot (.) character
C. The field names cannot contain the null character
D. None of the mentioned
Answer:A
Explanation: MongoDB clients should add an _id field with a unique ObjectId. 5. Point out the wrong statement :
A. The field names cannot start with the dollar sign ($) character B. The field names cannot contain the dot (.) character C. The field names cannot contain the null character D. None of the mentioned
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.