Coloring pixels - fairy tales pack. Because MongoDB contains unstructured data, Metabase takes a different approach to syncing your database's metadata. To get a sense of the schema, Metabase will scan the first 200 documents of each collection in your MongoDB. This sampling helps Metabase do things like differentiate datetime fields from string fields, and provide people with. See full list on metabase.com. I can only use the mongodb aggregation framework (so for example I cannot just pull the documents into python and work with it. Mongodb mongodb-query aggregation-framework metabase asked Nov 21 '18 at 16:04. Powershell vs Bash both are a very much popular configuration management tool for two different operating systems Windows and Unix. As Bash follows the textual structure for transferring messages and all, the developer is always preferring to deploy their code in UNIX box, whereas Powershell is very much popular for the normal user for their clickable functionality which is very.
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In this chapter, we will see how to create a backup in MongoDB.
Dump MongoDB Data
To create backup of database in MongoDB, you should use mongodump command. This command will dump the entire data of your server into the dump directory. There are many options available by which you can limit the amount of data or create backup of your remote server.
Syntax
The basic syntax of mongodump command is as follows −
Metabase Mongodb Example Code
Example
Start your mongod server. Assuming that your mongod server is running on the localhost and port 27017, open a command prompt and go to the bin directory of your mongodb instance and type the command mongodump
Consider the mycol collection has the following data.
The command will connect to the server running at 127.0.0.1 and port 27017 and back all data of the server to directory /bin/dump/. Following is the output of the command −
Following is a list of available options that can be used with the mongodump command.
| Syntax | Description | Example |
|---|---|---|
| mongodump --host HOST_NAME --port PORT_NUMBER | This commmand will backup all databases of specified mongod instance. | mongodump --host tutorialspoint.com --port 27017 |
| mongodump --dbpath DB_PATH --out BACKUP_DIRECTORY | This command will backup only specified database at specified path. | mongodump --dbpath /data/db/ --out /data/backup/ |
| mongodump --collection COLLECTION --db DB_NAME | This command will backup only specified collection of specified database. | mongodump --collection mycol --db test |
Restore data
To restore backup data MongoDB's mongorestore command is used. This command restores all of the data from the backup directory.
Metabase Mongodb Example Data
Syntax
The basic syntax of mongorestore command is −
Metabase Oracle
Following is the output of the command −