C100DBA Exam Dumps - MongoDB Associate Database Administrator(Based on MongoDB 6.0 and 7.0+)
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Consider a clothing collection that contains these documents:
{ " _id " : 1, " item " : " sweater " , " sizes " : [ " XS " , " S " ] }
{ " _id " : 2, " item " : " t-shirt " , " sizes " : [ " S " , " M " , " XL " ] }
{ " _id " : 3, " item " : " vest " , " sizes " : [ " M " , " L " , " XL " , " XXL " ] }
What does the following query return?
db.clothing.find({ " sizes " : " M " })
Consider the following document:
> db.c.find()
{ " _id " : 12, b : [ 3, 5, 7, 2, 1, -4, 3, 12 ] }
Which of the following queries on the " c " collection will return only the first five elements of the array in the " b "
field? E.g.,
Document you want returned by your query:
{ " _id " : 12, " b " : [ 3, 5, 7, 2, 1 ] >
In a sharded cluster, from which node does one stop the balancer process before initiating backup?
Which of the following node is used during election in a replication cluster?
Which of the following statements are true about the $match pipeline operator? Check all that apply.
Update If Correct is an approach for which of the following concepts in MongoDB:
What is the equivalent command in MongoDB for the following SQL query?
SELECT * FROM posts WHERE author like " %john% "