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Create MongoDB collection
createCollection(conn,collection)
example
createCollection(conn,collection) creates a collection in MongoDB® by using the MongoDB connection.
conn
collection
collapse all
Connect to MongoDB and create a collection.
Create a MongoDB connection to the database mongotest. Here, the database server dbtb01 hosts this database using port number 27017.
mongotest
dbtb01
27017
server = "dbtb01"; port = 27017; dbname = "mongotest"; conn = mongo(server,port,dbname)
conn = mongo with properties: Database: 'mongotest' UserName: '' Server: {'dbtb01'} Port: 27017 CollectionNames: {'airlinesmall', 'employee', 'largedata' ... and 3 more} TotalDocuments: 23485919
conn is the mongo object that contains the MongoDB connection. The object properties contain information about the connection and the database.
mongo
The database name is mongotest.
The user name is blank.
The database server is dbtb01.
The port number is 27017.
This database contains six document collections. The first three collection names are airlinesmall, employee, and largedata.
airlinesmall
employee
largedata
This database contains 23,485,919 documents.
Verify the MongoDB connection.
isopen(conn)
ans = logical 1
The database connection is successful because the isopen function returns 1. Otherwise, the database connection is closed.
isopen
1
Create a collection in the database using the MongoDB connection. Specify the collection name taxidata.
taxidata
collection = "taxidata"; createCollection(conn,collection)
Display the collections in the database by using the CollectionNames property. The database contains the new collection taxidata.
CollectionNames
conn.CollectionNames
ans = 1×7 cell array Columns 1 through 5 {'airlinesmall'} {'employee'} {'largedata'} {'nyctaxi'} {'product'} Columns 6 through 7 {'restaurants'} {'taxidata'}
Close the MongoDB connection.
close(conn)
MongoDB connection, specified as a mongo object.
Collection name, specified as a string scalar.
Example: "taxidata"
"taxidata"
Data Types: string
string
close | dropCollection | find | insert | isopen | mongo
close
dropCollection
find
insert
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