import json file into mongodb

,stdoutisused --jsonArrayoutputtoajsonarrayratherthanoneobjectper line [root@localhostbin]# The following is a practical example to illustrate the usage of this tool: Export table t1 in the foo database to json format: [root@localhostbin]#./mongoexport-dfoo-ct1-o/data/t1.json connectedto:127.0.0.1 exported1records [root@localhostbin]# After the export is successful, check wheth

备份路径 3. Restore the specified database? 1 2 3 [[emailprotected] mongodb]# mongorestore -d tank /home/zhangy/mongodb/tank/ #tank这个数据库的备份路径 [[emailprotected] mongodb]# mongorestore -d tank_new /home/zhangy/mongodb/tank/ #将tank还有tank_new数据库中 These two commands can be implemen

/zhangy/mongodb/#这里的路径是所有库的备份路径 3. Restore the specified database [Email protected] mongodb]# mongorestore-d tank/home/zhangy/mongodb/tank/#tank这个数据库的备份路径 [Email protected] mongodb]# mongorestore-d tank_new/home/zhangy/mongodb/tank/#将tank还有tank_new数据

format is JSON and Bson. Unable to refer to a table backup or restore.Four, Mongoexport export the table, or some fields in the table1, Common command formatMongoexport-h IP--port Port-u user name-p password-D database-C table name-F field-Q conditional export--csv-o file nameThe above parameters are good to understand, focus on:-F export refers to field, split by font size,-f name,email,age export name,em

]# More T1.json {"_id": {"$oid": "4f927e2385b7a6814a0540a0"}, "Age": 2} [Root@localhost data]# 3, exported to CSV format data Copy Code code as follows: [Root@localhost bin]#./mongoexport-d foo-c T2--csv-f Age,name-o/data/t2.csv Connected to:127.0.0.1 Exported 1 records [Root@localhost bin]# View export results for/data/t2.csv Copy Code code as follows: [Root@localhost data]# more T2.csv

These two commands enable the database to be backed up and restored, and the file format is JSON and Bson. Cannot point to write to table backup or restore. Four, Mongoexport export tables, or some of the fields in the table 1, commonly used command format Mongoexport-h IP--port Port-u username-p password-D database-C table name-F field-Q condition export--csv-o

JSON string, e.g., ' {x:{$gt: 1} '-K,--slaveok allow secondary reads If available (default true)--forcetablescan force a table scan (does not use $snapshot)--skip= Number of documents to skip--limit= limit the number of documents to Expor T--sort= sort order, as a JSON string, e.g. ' {x:1} '3.2 mongoimport import #列 "_id" will also be impo

Mongodb provides easy-to-use export and import commands. 1. Introduction and use of export commands. MongoDB provides a simple export tool, which is located in {MongoDB_HOME}/bin/mongoexport.exe, for example (My mongodb is deployed in a windows operating system and is similar in linux ): The following describes how to

)--journal enable journaling (relevant only ifDBPath specified)-d [--DB] arg database to use-c [--collection] arg collection to use (some commands)-O [--out] arg (=dump) output directory or "-" for stdout-Q [--query] arg JSON query--oplog use Oplog for Point-in-timeSnapshotting--repair try to recover a crashed database--forcetablescan Force a table scan$snapshot)Export Database[Email protected] ~]# mongodump-h 127.0.0.1--port 30216-d test-uxxxx-pxxxxx

Linux under the mongodb installation and data import and export tutorial# View linux distributionsCat/etc/issue# View the linux kernel version numberUname-rI,Linux under The general steps of MongoDB installation1. Go to MongoDB 's website (https://www.mongodb.org/downloads) to download the appropriate installation pac

--fieldfile arg file with fields names-1 per line-q [--query] arg query filter, as a JSON string--csv Export to CSV instead of Json-o [--out] arg output file; If not specified, stdout are used--jsonarray output to a JSON array rather than one object per line [[Emailpro Tecte

After reading the introduction, we only know that the Mongodb data is in the file using json. But I still don't understand. who can help me compare what the relational databases correspond to in Mongodb. I know it is not a kind of thing, but if it is all about data storage, it can explain how mysql is stored and how

Tags: file lineexp Import Export Delete directbodypythodbn 1. Export tool: Mongoexport 1, Concept: The Mongoexport tool in MongoDB can export a collection to a file in JSON or CSV format. You can specify the exported data item by parameter, or you can export the data

Mongodb import collection step tutorial, mongodbcollection It is relatively convenient for companies to use mongodb databases. Today we need to use the RobotMongodb database tool for import. Import steps: Log on to your mongodb s

Tags: ODB host condition collect imp specify port number JSON format tool-------------------MongoDB Data import and Export-------------------1. Export tool: Mongoexport1. Concept:The Mongoexport tool in MongoDB can export a collection to a file in

Linux under the mongodb installation and data import and export tutorial# View linux release numberCat/etc/issue# View linux kernel versionUname-rI,Linux under The general steps of MongoDB installation1. Download the installation package for your system to the website of MongoDB (https://www.mongodb.org/downloads) C

style.2 exporting files in CSV format/test/mongodb/bin/mongoexport-d wxdata-c apachelog--csv-f host,time,method-o apachelog_csv.datConnected to:127.0.0.1Exported 2 recordsCat Apachelog_csv.datHost,time,method"66.249.69.194", "12/jun/2014:12:57:59", "GET"Parameter description:--csv means to export to CSV format-F indicates which examples need to be exportedMore detailed usage can be mongoexport–help to seeData imp