How Import db dump in MongoDB?
Dump Import to MongoDB
- After remote connection to MongoDB click on Import in the desktop client (we use Database Master 4 as an example) and select the type of file you want to import.
- Browse XML/Csv file, you want to import.
- Merge source tables to the target tables.
How do I dump a collection in MongoDB?
Taking collection dump (backup)
- Dump all collection mongodump.
- Dump specific database only mongodump –db=DB_NAME.
- Dump database with username & password mongodump -u=USERNAME -p=PASSWORD –db=DB_NAME.
- Dump from another host mongodump –host HOST_NAME/HOST_IP –port HOST_PORT –out {YOUR_DIRECTOTY_PATH} –db=DB_NAME.
How do I drop a database in MongoDB?
MongoDB Delete Database
- Select the database you want to delete with the help of USE command. Following is the syntax of USE command. use
- Drop the database with the help of db.dropDatabase() command. Following is the syntax of USE command. db.dropDatabase()
How restore MongoDB dump Linux?
The basic way to restore a database is to use the mongorestore command to specify the backup directory (dump directory) without any options. This option is suitable for databases located in the localhost (127.0. 0.1) using the port 27017.
What is MongoDB dump?
Synopsis. mongodump is a utility for creating a binary export of the contents of a database. mongodump can export data from either mongod or mongos instances; i.e. can export data from standalone, replica set, and sharded cluster deployments. Run mongodump from the system command line, not the mongo shell.
How use MongoDB dump?
Basic mongodump Syntax The most basic method to create a backup is to use the mongodump command without any options. This will assume the database is located in localhost (127.0. 0.1) and using port 27017 with no authentication requirements. The backup process will create a dump folder in the current directory.
Does Mongorestore overwrite?
mongorestore can create a new database or add data to an existing database. That is, if restoring documents to an existing database and collection and existing documents have the same value _id field as the to-be-restored documents, mongorestore will not overwrite those documents.
What is DB in MongoDB command?
MongoDB use DATABASE_NAME is used to create database. The command will create a new database if it doesn’t exist, otherwise it will return the existing database.
Which command is used to drop database?
DROP is used to delete a whole database or just a table. The DROP statement destroys the objects like an existing database, table, index, or view. A DROP statement in SQL removes a component from a relational database management system (RDBMS).
What is Mongodump and Mongorestore?
The mongorestore utility restores a binary backup created by mongodump . By default, mongorestore looks for a database backup in the dump/ directory. The mongorestore utility restores data by connecting to a running mongod directly. mongorestore can restore either an entire database backup or a subset of the backup.
Does MongoDB compress data?
Compression. With WiredTiger, MongoDB supports compression for all collections and indexes. Compression minimizes storage use at the expense of additional CPU. By default, WiredTiger uses block compression with the snappy compression library for all collections and prefix compression for all indexes.
Should you use MongoDB?
You can use MongoDB as a back-end for archiving whole records for MySQL. You can use MongoDB to store things that require zero transactions and the MySQL store for the transactional elements. A session key would be better in mongo, for example, with a TTL index.
Why is MongoDB a document-oriented database?
Document-oriented – Since MongoDB is a NoSQL type database, instead of having data in a relational type format, it stores the data in documents. This makes MongoDB very flexible and adaptable to real business world situation and requirements.
What is the “Admin” database in MongoDB?
The admin database plays a vital role in authentication and authorization of MongoDB database users. And this admin database is used for administrative purpose too. There are different security mechanisms to enable security in MongoDB. If you have enabled security in MongoDB for authentication and authorization of MongoDB database user then this admin db comes into the picture. Enabling authentication and authorization is optional, however, it’s always recommended to enable for
What is MONGO DB?
As a definition, MongoDB is an open-source database that uses a document-oriented data model and a non-structured query language. It is one of the most powerful NoSQL systems and databases around, today.
