mongodb find code example
Example 1: mongodb find with gt
{field: {$gt: value} }
Example 2: mongo console find by id
db.collection.find({_id:ObjectId('5e208c18d598b806c869ca37')}).pretty()
Example 3: mongodb findmany
model.find({
'_id': { $in: [
mongoose.Types.ObjectId('4ed3ede8844f0f351100000c'),
mongoose.Types.ObjectId('4ed3f117a844e0471100000d'),
mongoose.Types.ObjectId('4ed3f18132f50c491100000e')
]}
}, function(err, docs){
console.log(docs);
});
Example 4: mongodb findone
itemsCollection.findOne(query, projection)
.then(result => {
if(result) {
console.log(`Successfully found document: ${result}.`);
} else {
console.log("No document matches the provided query.");
}
return result;
})
.catch(err => console.error(`Failed to find document: ${err}`));
Example 5: operator to return specific data of a mongodb query
db.inventory.find( { status: "A" }, { item: 1, status: 1 } )
Example 6: query mongodb
db.inventory.find( { status: "D" } )