![]() If suppose username or password is incorrect it will issue the error as authentication failed. If the username and password authentication are successful it will give access to the specified database. It will contain the below string parameters while connecting to the database server.Īt the time of connecting to the MongoDB database server first, it will check our username and password. How does Connection String work in MongoDB? This is an optional parameter while using connection string in MongoDB. Other options: We can also use other options with connection parameters like replica set name and connection timeout value, we need to give connection timeout in milliseconds.The database name is also an important parameter while connecting to the MongoDB database server. For connecting to the specified database we need to have specified privileges. Database name: At the time connecting to the MongoDB database server we need to define the database name which was we have connected.We can also change the default port no to other for security reason. The default port of the MongoDB database server is 27017. Port no: This is defined as port no which was we have defined to our database server.The hostname is an important parameter while connecting to the MongoDB database server. We can also use the IP of the database server instead of using the hostname. Hostname: This is defined as the hostname of the database server.If suppose we have given the wrong password in the connection string it will issue an authentication error. We need to specify the correct password while login into the database server. Password of database user: This is defined as the password which was used with username to connect the database server.We need to specify the correct username while login in to the database server. Name of user: This is defined as the username which was used to connect the database server. ![]() If we want to connect the local database server then we have to use the command as mongo. We can also connect the database server by using the “mongo” command. Mongodb: This is the command which was used to connect the MongoDB database server.Package.Hadoop, Data Science, Statistics & others
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