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Find MongoDB records with Price less than a specific value
To check the records with Price less than a specific value, use $lt. Let us create a collection with documents −
> db.demo728.insertOne({Price:75});
{
"acknowledged" : true,
"insertedId" : ObjectId("5eab413c43417811278f589b")
}
> db.demo728.insertOne({Price:59});
{
"acknowledged" : true,
"insertedId" : ObjectId("5eab414043417811278f589c")
}
> db.demo728.insertOne({Price:79});
{
"acknowledged" : true,
"insertedId" : ObjectId("5eab414543417811278f589d")
}
> db.demo728.insertOne({Price:89});
{
"acknowledged" : true,
"insertedId" : ObjectId("5eab414843417811278f589e")
}Display all documents from a collection with the help of find() method −
> db.demo728.find();
This will produce the following output −
{ "_id" : ObjectId("5eab413c43417811278f589b"), "Price" : 75 }
{ "_id" : ObjectId("5eab414043417811278f589c"), "Price" : 59 }
{ "_id" : ObjectId("5eab414543417811278f589d"), "Price" : 79 }
{ "_id" : ObjectId("5eab414843417811278f589e"), "Price" : 89 }Following is the query to find records based on a condition −
> db.demo728.find({Price:{$lt:80}});This will produce the following output −
{ "_id" : ObjectId("5eab413c43417811278f589b"), "Price" : 75 }
{ "_id" : ObjectId("5eab414043417811278f589c"), "Price" : 59 }
{ "_id" : ObjectId("5eab414543417811278f589d"), "Price" : 79 }
Updated on: 15-May-2020
300 Views
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