MongoDB Learning Note 07--Data backup, recovery

Source: Internet
Author: User
Tags mongodump mongorestore

    • Mongoexport export JSON or CSV format
    • Mongoimport Import JSON or CSV
    • Mongodump Export binary Bson structure data and index information
    • Mongorestore Importing binary files

Mongoexport

-h 主机--port 端口号-u 用户名-p password-d 库名-c 表名-f field1,field..... 导出的字段-q 查询条件 -o 导出文件名称--csv 等同于 --type=csv 导出csv格式。一定要指定-f 导出字段才干导出csv

Example: Export the my_id<200 _id and username in the My table in the test database to CSV format

 mongoexport -u test -p 64823723zk -d test -c my -q {my_id:{‘$lt‘:200}} --type=csv -f _id,username,a -o my.csv

Mongoimport

-d 导入的数据库-c 导入的表--type csv/json--file 文件路径

Example: Importing data from a Stu.json into a Stu table in the test database

 mongoimport -u test -p 123 -d test -c stu --type json --file ./stu.json

Mongodump

-d 库名-c 表名-o 导出路径-f field1,field..... 字段名

Example: Export the My table of the test database with binary Bson structure data and index information to the Dump folder
./mongodump-u test-p 123-d test-c my-o./dump

Mongorestore

-d 数据库--dir=  bson跟索引信息存放的文件夹

Examples:

mongorestore -u test -p 123 -d test --dir=./dump/test/

MongoDB Learning Note 07--Data backup, recovery

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