Situation

You have a JSON file or CSV file and you want to import into a MongoDB database. How can you execute this task?

Solution

MongoDB provided a tool that named as mongoimport that can help us to import a data set into a Mongo database. For understanding mongoimport , click here

In my example, I tried to import a set of Product JSON file

{ “_id” : “ac3”, “name” : “AC3 Phone”, “brand” : “ACME”, “type” : “phone”, “price” : 200, “warranty_years” : 1, “available” : true }
{ “_id” : “ac7”, “name” : “AC7 Phone”, “brand” : “ACME”, “type” : “phone”, “price” : 320, “warranty_years” : 1, “available” : false }
{ “_id” : { “$oid” : “507d95d5719dbef170f15bf9” }, “name” : “AC3 Series Charger”, “type” : [ “accessory”, “charger” ], “price” : 19, “warranty_years” : 0.25, “for” : [ “ac3”, “ac7”, “ac9” ] }
{ “_id” : { “$oid” : “507d95d5719dbef170f15bfa” }, “name” : “AC3 Case Green”, “type” : [ “accessory”, “case” ], “color” : “green”, “price” : 12, “warranty_years” : 0 }
{ “_id” : { “$oid” : “507d95d5719dbef170f15bfb” }, “name” : “Phone Extended Warranty”, “type” : “warranty”, “price” : 38, “warranty_years” : 2, “for” : [ “ac3”, “ac7”, “ac9”, “qp7”, “qp8”, “qp9” ] }
{ “_id” : { “$oid” : “507d95d5719dbef170f15bfc” }, “name” : “AC3 Case Black”, “type” : [ “accessory”, “case” ], “color” : “black”, “price” : 12.5, “warranty_years” : 0.25, “available” : false, “for” : “ac3” }
{ “_id” : { “$oid” : “507d95d5719dbef170f15bfd” }, “name” : “AC3 Case Red”, “type” : [ “accessory”, “case” ], “color” : “red”, “price” : 12, “warranty_years” : 0.25, “available” : true, “for” : “ac3” }
{ “_id” : { “$oid” : “507d95d5719dbef170f15bfe” }, “name” : “Phone Service Basic Plan”, “type” : “service”, “monthly_price” : 40, “limits” : { “voice” : { “units” : “minutes”, “n” : 400, “over_rate” : 0.05 }, “data” : { “units” : “gigabytes”, “n” : 20, “over_rate” : 1 }, “sms” : { “units” : “texts sent”, “n” : 100, “over_rate” : 0.001 } }, “term_years” : 2 }
{ “_id” : { “$oid” : “507d95d5719dbef170f15bff” }, “name” : “Phone Service Core Plan”, “type” : “service”, “monthly_price” : 60, “limits” : { “voice” : { “units” : “minutes”, “n” : 1000, “over_rate” : 0.05 }, “data” : { “n” : “unlimited”, “over_rate” : 0 }, “sms” : { “n” : “unlimited”, “over_rate” : 0 } }, “term_years” : 1 }
{ “_id” : { “$oid” : “507d95d5719dbef170f15c00” }, “name” : “Phone Service Family Plan”, “type” : “service”, “monthly_price” : 90, “limits” : { “voice” : { “units” : “minutes”, “n” : 1200, “over_rate” : 0.05 }, “data” : { “n” : “unlimited”, “over_rate” : 0 }, “sms” : { “n” : “unlimited”, “over_rate” : 0 } }, “sales_tax” : true, “term_years” : 2 }
{ “_id” : { “$oid” : “507d95d5719dbef170f15c01” }, “name” : “Cable TV Basic Service Package”, “type” : “tv”, “monthly_price” : 50, “term_years” : 2, “cancel_penalty” : 25, “sales_tax” : true, “additional_tarriffs” : [ { “kind” : “federal tarriff”, “amount” : { “percent_of_service” : 0.06 } }, { “kind” : “misc tarriff”, “amount” : 2.25 } ] }

Syntax

Import into a standalone database

mongoimport  –db <database name> –collection <collection name> –file <path to file> –host <host name><:port>

Import into a replication group

mongoimport  –db <database name> –collection <collection name> –file <path to file> –<replSetname>/<host name 1><:port>,<host name 2><:port>…

Execution

  • Connect to MongoDB engine

Connect to MongoDB

  • Import data

mongoimport –db pcat –collection products –file D:\mongodb\Products.json

Import Products data

  • Query data

use pcat

db.products.find().limit(1).pretty

Query Product data

 

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