Explanation: MongoDB can support keyword searches using specific data models and multi-key indexes; 5. Point out the correct statement :
A. An array with a large number of elements will incur greater indexing costs on insertion
B. An array with a large number of elements will incur smaller indexing costs on updates
C. An array with a small number of elements will incur greater indexing costs on insertion
D. None of the mentioned
Answer:A
Explanation: MongoDB can support keyword searches using specific data models and multi-key indexes; 5. Point out the correct statement :
A. An array with a large number of elements will incur greater indexing costs on insertion B. An array with a large number of elements will incur smaller indexing costs on updates C. An array with a small number of elements will incur greater indexing costs on insertion D. None of the mentioned
Explanation:An array with a large number of elements, such as one with several hundreds or thousands of keywords will incur greater indexing costs on insertion. 6. ________ indexes can include any field whose value is a string or an array of string elements.