Question
a.
MongoDB can query for locations contained entirely within a specified polygon
b.
MongoDB require an index for inclusion queries; however, such indexes will improve query performance
c.
Indexes on embedded fields allow you to use a “dot notation,” to introspect into embedded documents
d.
None of the mentioned
Posted under MongoDB
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. Point out the wrong statement.
Similar Questions
Discover Related MCQs
Q. MongoDB supports spherical surface calculations on legacy coordinate pairs using a _______ index.
View solution
Q. Inclusion queries use the _________ operator in MongoDB.
View solution
Q. Point out the correct statement.
View solution
Q. The $geoWithin operator uses the _______ operator to specify the GeoJSON object.
View solution
Q. If the specified polygon is _______ than a single hemisphere, the behavior of $geoWithin with the MongoDB CRS is the same as with the default CRS.
View solution
Q. To query with a single-ringed GeoJSON polygon whose area is greater than a single hemisphere, the $geometry expression must specify the custom MongoDB ________
View solution
Q. $geoWithin replaces _______ in MongoDB 2.4.
View solution
Q. When used with the _____ operator, $geoWithin returns documents based on grid coordinates and does not query for GeoJSON shapes.
View solution
Q. ________ indexes expire documents after the specified number of seconds has passed since the indexed field value.
View solution
Q. Point out the correct statement.
View solution
Q. The background task that removes expired documents runs every ________ seconds.
View solution
Q. Point out the wrong statement.
View solution
Q. On replica sets, the TTL background thread only deletes documents on _____________
View solution
Q. You can combine the ________ constraint with the sparse index to filter these null values from the unique index and avoid the error.
View solution
Q. You may not specify a unique constraint on a ______ index.
View solution
Q. Which of the following indexes are always sparse?
View solution
Q. To modify an existing index, you cannot just re-issue the _________ method with the updated specification of the index.
View solution
Q. Point out the wrong statement.
View solution
Q. If you need to rebuild indexes for a collection you can use the _________ method to rebuild all indexes on a collection in a single operation.
View solution
Q. To terminate an ongoing index build, use the __________ method in the mongo shell.
View solution
Suggested Topics
Are you eager to expand your knowledge beyond MongoDB? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!
