Table of Contents
What is difference between Mongodump and Mongoexport?
mongoexport is a command-line tool that produces a JSON or CSV export of data stored in a MongoDB instance. mongodump is a utility for creating a binary export of the contents of a database.
What is a Mongodump?
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.
How do I see indexes in MongoDB?
View Existing Indexes To view a list of all indexes on a collection in MongoDB Compass, click on the target collection in the left-hand pane and select the Indexes tab. For details on the information displayed in this tab, refer to the Compass documentation.
What is difference between Mongoimport and Mongorestore?
One main difference between mongorestore and mongoimport is that mongorestore is insert only. This means that it will not overwrite a document in the database that already exists: mongorestore can create a new database or add data to an existing database.
Is MongoDB traffic encrypted?
MongoDB supports TLS/SSL (Transport Layer Security/Secure Sockets Layer) to encrypt all of MongoDB’s network traffic. TLS/SSL ensures that MongoDB network traffic is only readable by the intended client.
Where is Mongodump stored?
The mongodump command will overwrite the existing files within the given backup folder. The default location for backups is the dump/ folder. When the WiredTiger storage engine is used in a MongoDB instance, the output will be uncompressed data.
How do I get Mongorestore?
Basic mongorestore syntax 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.
Where can I run Mongoimport?
mongoimport is located in the bin directory (eg, /mongodb/bin or wherever you installed it). To import data, open a new Terminal/Command Prompt window and enter mongoimport followed by parameters such as database name, collection name, source file name, etc.
What encryption does MongoDB use?
Encryption Process If encryption is enabled, the default encryption mode that MongoDB Enterprise uses is the AES256-CBC (or 256-bit Advanced Encryption Standard in Cipher Block Chaining mode) via OpenSSL. AES-256 uses a symmetric key; i.e. the same key to encrypt and decrypt text.
How are MongoDB indexes stored?
The index data is stored along with the collection data in the data directory of the MongoDB Server installation. You can also specify the data directory using the –dbpath storage option when you start the mongod.
Are MongoDB indexes stored in memory?
MongoDB keeps what it can of the indexes in RAM. They’ll be swaped out on an LRU basis. You’ll often see documentation that suggests you should keep your “working set” in memory: if the portions of index you’re actually accessing fit in memory, you’ll be fine.
What does mongodump output not include?
mongodump output only captures the documents in the database and does not include index data. mongorestore or mongod must then rebuild the indexes after restoring data. If using read-only views , mongodump only captures a view’s metadata: it does not create a binary export of the documents included in the view.
What is the difference between mongodump and mongorestore?
mongodump excludes the content of the local database in its output. mongodump output only captures the documents in the database and does not include index data. mongorestore or mongod must then rebuild the indexes after restoring data.
What is the–dB option in mongodump?
This option applies only when you specify a database in the –db option. MongoDB always includes user and role definitions when mongodump applies to an entire instance and not just a specific database. Excludes the specified collection from the mongodump output. To exclude multiple collections, specify the –excludeCollection multiple times.
Is MongoDB’s stock a good dividend grower?
MongoDB does not have a long track record of dividend growth. In the past three months, MongoDB insiders have sold more of their company’s stock than they have bought. Specifically, they have bought $0.00 in company stock and sold $35,073,196.00 in company stock. Only 7.40% of the stock of MongoDB is held by insiders.