import json file into mongodb

Label:After converting data from HDFS to JSON format, the file name of the 10 files is filename _01 .... _02. 03 format. Write a simple sh file with the i+1 file name corresponding to the-do loop-the path of the file names to be passed in and the data files that need to be i

Tags: style color os io file data CTI LineStart by generating a text file that can be either JSON or CSV, one per line of data, well organized, and can be generated in a generic text editor or from office. Then execute the following import command: /usr/local/mongodb/bin/mon

1. Table header is the field name2. Note If the import is garbled, first import the data into SQL Server, and then export from SQL Server, note that the column with the number type longer than 15 needs to be set to the text type after the SQL ServerCopy and paste to the exported CSV file,3. Import the CSV

%month% EQU4 SETday= - IF%month% EQU6 SETday= - IF%month% EQU9 SETday= - IF%month% EQU2 ( SETday= - IF%year% EQU . SETday= in IF%year% EQU2020 SETday= in IF%year% EQU2024 SETday= in)) REM****FORMATDay,month * * *IF%day% LSSTen SETday=0%day%IF%month% LSSTen SETMonth=0%month%SETldate=%year%-%month%-%day%SETRdate=%ldate%SETFdate=%year%%month%%day% REM****EXPORTMONGODB * * * * :RUN SETexp=Pagermongodb_export.bat%ldate%%rdate%%fdate%%exp% PU001%exp% PU002

Welcome reprint, Reproduced please indicate the source.ProfileThis article briefly describes how to use Spark-cassandra-connector to import a JSON file into the Cassandra database, a comprehensive example that uses spark.Pre-conditionsSuppose you have read the 3 of technical combat and installed the following software Jdk Scala SBt Cassandra

Tags: div file info log row The var online edit CTSRecently, it's time to start using MongoDB to store JSON model files, and then you can implement online editing and management of model files. This morning implemented the JSON file storage code, as follows:varFs=require ("F

error prompting when inserting JSON file into MongoDB (my operating system is WIN10):the execution order at that time was: mongoimport-d test-c restaurants D://primer-dataset.jsonThe primer-dataset.json file is then stored in the folder and can be successfully inserted, with the following command: mongoimport-d test-c

Linux mongodb installation and data import and export tutorial, mongodb Import and Export How to install mongodb and import and export data in Linux # Viewing the linux release version Cat/etc/issue # View the Linux kernel version

Directly on the code' Use strict 'varFs=require (' FS '),Mongodb=require (' MongoDB '). Mongoclient, Assert=require (' Assert '), URL= ' Mongodb://username:[email protected]:27017/dbname?authmechanism=mongodb-crauthsource=admin '; mongodb.connect (URL,function(err,db) {assert.equal (err,NULL); varSchool=db.collection (

MongoDB import, export, backup, recovery, user authorization (4), mongodb ImportV. MongoDB import, export, backup, recovery, and user authorizationI. Data export and Data ImportAs a DBA (Administrator), you often need to import an

type, including CSV and JSON,TSV files, the default JSON format;--file: Imported file name--headerline: When importing a CSV file, indicate that the first row is a column name and does not need to be imported; eight. Ask for answers 1. What is the text encoding type of the

Tags: MongoDB gap Build Library title BSD Mon init grep rubyMongodb 1.1 Software Introduction ? A product between a relational database and a non-relational database – a database based on distributed file storage. – written in the C + + language. Designed to provide scalable, high-performance data storage solutions for WEB applications. –mongodb stores data as a

[[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 implemented to backup and restore the database, the

production database: show dbs (2) restore a set Mongorestore-ddbname-ccollectinname E: \ DB \ mongo \ data Example: mongorestore-h 127.0.0.1-d test-c restesss E: \ DB \ mongodb \ data \ test \ mytest. bson // Import the export set mytest. bson under the specified directory to the restesss set under the test database // After the import, we log on to the produ

Tags: god represents file HTML common category name cat stringZhang Ying published in 2013-12-03 Category list: NoSQL Tags: mongodb, backup, import, export, restore MongoDB data backup and restore is mainly divided into two kinds, one is for the library of Mongodump and Mongorestore, one is for the table in the library

= file with field names - 1 per line --type= the output format, either json or csv (defaults to 'json') -o, --out= output file; if not specified, stdout is used --jsonArray output to a JS