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Mandatory arguments required to connect any database from Python
- a)Username, Password, Hostname, Database Name, Port.
- b)Username, Password, Hostname.
- c)Username, Password, Hostname, Database Name.
- d)Username, Password, Hostname, Port.
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Mandatory arguments required to connect any database from Pythona)User...
Connecting a Database from Python
To connect to a database from Python, there are several mandatory arguments that need to be provided. These arguments are necessary to establish a connection and authenticate the user. The correct option for the mandatory arguments required to connect any database from Python is option C, which includes the following arguments: Username, Password, Hostname, and Database Name.
Explanation of the Correct Answer
The correct option C includes the necessary arguments to connect to a database from Python. Let's discuss each argument in detail:
1. Username: The username is the unique identifier of the user who wants to connect to the database. It is used to authenticate the user and determine their access rights and privileges.
2. Password: The password is a secret combination of characters that is associated with the username. It is used as a security measure to ensure that only authorized users can access the database.
3. Hostname: The hostname refers to the address or location of the database server. It can be an IP address or a domain name. The hostname is required to establish a connection to the correct server.
4. Database Name: The database name specifies the name of the database to which the user wants to connect. In a database management system, there can be multiple databases, and the user needs to specify the desired database.
Optional Argument:
In addition to the mandatory arguments mentioned above, there is an optional argument, Port. The port number is used to establish a connection to a specific port on the database server. If the port number is not provided, the default port for the specific database management system is used.
Conclusion
To connect to a database from Python, the mandatory arguments required are Username, Password, Hostname, and Database Name. These arguments are necessary to authenticate the user and establish a connection with the correct database server. Additionally, the Port argument is optional and can be provided to connect to a specific port on the server.
To connect to a database from Python, there are several mandatory arguments that need to be provided. These arguments are necessary to establish a connection and authenticate the user. The correct option for the mandatory arguments required to connect any database from Python is option C, which includes the following arguments: Username, Password, Hostname, and Database Name.
Explanation of the Correct Answer
The correct option C includes the necessary arguments to connect to a database from Python. Let's discuss each argument in detail:
1. Username: The username is the unique identifier of the user who wants to connect to the database. It is used to authenticate the user and determine their access rights and privileges.
2. Password: The password is a secret combination of characters that is associated with the username. It is used as a security measure to ensure that only authorized users can access the database.
3. Hostname: The hostname refers to the address or location of the database server. It can be an IP address or a domain name. The hostname is required to establish a connection to the correct server.
4. Database Name: The database name specifies the name of the database to which the user wants to connect. In a database management system, there can be multiple databases, and the user needs to specify the desired database.
Optional Argument:
In addition to the mandatory arguments mentioned above, there is an optional argument, Port. The port number is used to establish a connection to a specific port on the database server. If the port number is not provided, the default port for the specific database management system is used.
Conclusion
To connect to a database from Python, the mandatory arguments required are Username, Password, Hostname, and Database Name. These arguments are necessary to authenticate the user and establish a connection with the correct database server. Additionally, the Port argument is optional and can be provided to connect to a specific port on the server.
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Community Answer
Mandatory arguments required to connect any database from Pythona)User...
To create a connection between the MySQL database and python application, the connect( ) function is used. The functions requires 4 parameters:
- Hostname
- Username
- Password
- Database name
Checking the options
(A) Username, Password, Hostname, Database Name, Port. - Port is not a parameter of the function connect( ).
(B) Username, Password, Hostname. - The parameter database name is missing.
(C) Username, Password, Hostname, Database Name. - All 4 parameters of the function connect( ) are present.
(D) Username, Password, Hostname, Port. - Port is not a valid parameter and the parameter database name is missing.
From the options given above, only option C has all the 4 parameters of function connect( ).
So, the correct answer is (C)
(A) Username, Password, Hostname, Database Name, Port. - Port is not a parameter of the function connect( ).
(B) Username, Password, Hostname. - The parameter database name is missing.
(C) Username, Password, Hostname, Database Name. - All 4 parameters of the function connect( ) are present.
(D) Username, Password, Hostname, Port. - Port is not a valid parameter and the parameter database name is missing.
From the options given above, only option C has all the 4 parameters of function connect( ).
So, the correct answer is (C)
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