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Get all the MongoDB documents but not the ones with two given criteria’s?
To get all the MongoDB documents with some given criteria’s, following any of the below given cases
Case 1 Following is the query to get all the documents without a single criterion using $ne operator
db.yourCollectionName.find({yourFieldName:{$ne:"yourValue"}}).pretty();Case 2 Following is the query to get all the documents without two given criterions using $nin operator
db.yourCollectionName.find({yourFieldName:{$nin:["yourValue1","yourValue2"]}}).pretty();Let us first create a collection. Following is the query to create a collection with documents
>db.findAllExceptFromOneOrtwoDemo.insertOne({"StudentName":"Larry","StudentSubjectName":"Java"});
{
"acknowledged" : true,
"insertedId" : ObjectId("5c993d82330fd0aa0d2fe4d2")
}
>db.findAllExceptFromOneOrtwoDemo.insertOne({"StudentName":"Chris","StudentSubjectName":"C++"});
{
"acknowledged" : true,
"insertedId" : ObjectId("5c993d8f330fd0aa0d2fe4d3")
}
>db.findAllExceptFromOneOrtwoDemo.insertOne({"StudentName":"Robert","StudentSubjectName":"C"});
{
"acknowledged" : true,
"insertedId" : ObjectId("5c993d99330fd0aa0d2fe4d4")
}
>db.findAllExceptFromOneOrtwoDemo.insertOne({"StudentName":"David","StudentSubjectName":"Python"});
{
"acknowledged" : true,
"insertedId" : ObjectId("5c993da4330fd0aa0d2fe4d5")
}Following is the query to display all documents from a collection with the help of find() method
> db.findAllExceptFromOneOrtwoDemo.find().pretty();
This will produce the following output
{
"_id" : ObjectId("5c993d82330fd0aa0d2fe4d2"),
"StudentName" : "Larry",
"StudentSubjectName" : "Java"
}
{
"_id" : ObjectId("5c993d8f330fd0aa0d2fe4d3"),
"StudentName" : "Chris",
"StudentSubjectName" : "C++"
}
{
"_id" : ObjectId("5c993d99330fd0aa0d2fe4d4"),
"StudentName" : "Robert",
"StudentSubjectName" : "C"
}
{
"_id" : ObjectId("5c993da4330fd0aa0d2fe4d5"),
"StudentName" : "David",
"StudentSubjectName" : "Python"
}Case 1 Single Criteria
Following is the query
> db.findAllExceptFromOneOrtwoDemo.find({StudentSubjectName:{$ne:"C"}}).pretty();This will produce the following output
{
"_id" : ObjectId("5c993d82330fd0aa0d2fe4d2"),
"StudentName" : "Larry",
"StudentSubjectName" : "Java"
}
{
"_id" : ObjectId("5c993d8f330fd0aa0d2fe4d3"),
"StudentName" : "Chris",
"StudentSubjectName" : "C++"
}
{
"_id" : ObjectId("5c993da4330fd0aa0d2fe4d5"),
"StudentName" : "David",
"StudentSubjectName" : "Python"
}Case 2 Two criterions
Following is the query
>db.findAllExceptFromOneOrtwoDemo.find({StudentSubjectName:{$nin:["C++","Python"]}}).pretty();This will produce the following output
{
"_id" : ObjectId("5c993d82330fd0aa0d2fe4d2"),
"StudentName" : "Larry",
"StudentSubjectName" : "Java"
}
{
"_id" : ObjectId("5c993d99330fd0aa0d2fe4d4"),
"StudentName" : "Robert",
"StudentSubjectName" : "C"
}
Updated on: 30-Jul-2019
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