mongo db shell script to get array column code example
Example 1: how to get array object value in mongodb
db.products.aggregate([
{$unwind: "$ratings"},
{$match: {'ratings.user': ObjectId("5f6e2e0b70eb0208fc8401a1")}}
])
Example 2: mongodb find array with element
// Finds all documents that have a property named "tags"
// which has at least one array element matching "red"
db.inventory.find( { tags: "red" } )
Example 3: mongo array
db.inventory.find( { tags: ["red", "blank"] } )