Explanation:The order of fields listed in a compound index has significance. 5. Point out the wrong statement :
A. The field names cannot start with the dollar sign ($) character
B. The field names cannot contain the dot (.) character
C. The field names cannot contain the null character
D. None of the mentioned
Answer:A
Explanation:The order of fields listed in a compound index has significance. 5. Point out the wrong statement :
A. The field names cannot start with the dollar sign ($) 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. An application communicates with MongoDB by way of a client library, called :