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Set $gt condition in MongoDB $and
The $and performs a logical AND operation on an array of one or more expressions. Let us create a collection with documents −
> db.demo680.insertOne({Values:40});
{
"acknowledged" : true,
"insertedId" : ObjectId("5ea4461b04263e90dac943fe")
}
> db.demo680.insertOne({Values:70});
{
"acknowledged" : true,
"insertedId" : ObjectId("5ea4461e04263e90dac943ff")
}
> db.demo680.insertOne({Values:[80,30]});
{
"acknowledged" : true,
"insertedId" : ObjectId("5ea4462a04263e90dac94400")
}
> db.demo680.insertOne({Values:20});
{
"acknowledged" : true,
"insertedId" : ObjectId("5ea4463304263e90dac94401")
}Display all documents from a collection with the help of find() method −
> db.demo680.find();
This will produce the following output −
{ "_id" : ObjectId("5ea4461b04263e90dac943fe"), "Values" : 40 }
{ "_id" : ObjectId("5ea4461e04263e90dac943ff"), "Values" : 70 }
{ "_id" : ObjectId("5ea4462a04263e90dac94400"), "Values" : [ 80, 30 ] }
{ "_id" : ObjectId("5ea4463304263e90dac94401"), "Values" : 20 }Following is the query to use $gt in $and −
> db.demo680.find({$and : [{Values:{$gt:60}}, {Values:30}]})This will produce the following output −
{ "_id" : ObjectId("5ea4462a04263e90dac94400"), "Values" : [ 80, 30 ] }
Updated on: 13-May-2020
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