Explanation:If MongoDB uses indexes for an $or expression, the result will include the OR stage with an inputStages array that details the indexes 6. If the query planner selects a collection scan, the explain result includes a _________ stage.
A. COLLSCAN
B. TABLESCAN
C. ROWSCAN
D. All of the mentioned
Answer:A
Explanation:If MongoDB uses indexes for an $or expression, the result will include the OR stage with an inputStages array that details the indexes 6. If the query planner selects a collection scan, the explain result includes a _________ stage.
A. COLLSCAN B. TABLESCAN C. ROWSCAN D. All of the mentioned