Explanation:You cannot combine the $text query, which requires a special text index, with a query operator that requires a different type of special index. 7. The default name for the index consists of each indexed field name concatenated with _______.
A. _char
B. _textc
C. _text
D. All of the mentioned
Answer:A
Explanation:You cannot combine the $text query, which requires a special text index, with a query operator that requires a different type of special index. 7. The default name for the index consists of each indexed field name concatenated with _______.
A. _char B. _textc C. _text D. All of the mentioned
Explanation:Whether the text index has the default name or you specified a name for the text index, to drop the text index, pass the index name to the db.collection.dropIndex() method. 8. To avoid creating an index with a name that exceeds the index name length limit, you can pass the _____ option to the db.collection.createIndex() method.