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[英]how create mongoDB collection using data of another collection in same database
[英]How to create a collection from JSON data in MongoDB?
我有以下J SON數據。 如何匯總以下集合的余額?
"_id" : ObjectId("592595a1bca1350220027666"),
"user_account" : "5-5XX4XX-X06",
"Xns" : {
"Xn" : [
{
"date" : "2015-09-01",
"narration" : "ATM/CASH WDL/01-01-10/17:48:45/0",
"amount" : "-2500.00",
"category" : "Others",
"balance" : "110578.04",
"_id" : ObjectId("592595a1bca13502200276ca")
},
{
"date" : "2015-09-04",
"narration" : "EBA//20100104081107",
"amount" : "-7206.12",
"category" : "Others",
"balance" : "103371.92",
"_id" : Object Id("592595a1bca13502200276c9")
}
您可以通過以下方式實現:
mongoimport --db <db-name> --collection <collection-name> --file ~/location/<file-name>.json
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