Select Record From MySQL Table

In Python, To select a record from a MySQL table using Python, First, we need to install "pip" if haven't installed it already.

Python provides the "mysql-connector-python" library to connect the database with the python application.

Below is an example demonstrating how to select records from a table:

Install mysql connector library:

After installing the package, we can use it to establish a connection to our MySQL database and perform operations.

Example:

pip install mysql-connector-python

Import Library and Database configuration parameters:

Import `mysql.connector` library and create a configuration object with keys such as `user`, `password`, `host`, and `database`.

Example:

# import mysql connector library
import mysql.connector

# Configuration parameters
config = {
    'user': 'your_username',
    'password': 'your_password',
    'host': 'localhost',  # or your host address
    'database': 'your_database_name',
}

Create Select Query with error handling:

Select Record in Table using the `SELECT` command and with the help execute() method we can run the operation to select records from the table in MySQL database.

Example:

# Create a cursor object to execute SQL queries
cursor = connection.cursor()

# Define the select query
select_query = "SELECT * FROM your_table_name"

# Execute the select query
cursor.execute(select_query)

# Fetch all records
records = cursor.fetchall()

# Display the fetched records
for record in records:
     print(record)

Close Connection:

Don't forget to close the connection once done using the "close()" method.

Example:

finally:
    if 'connection' in locals() and connection.is_connected():
        cursor.close()
        connection.close()
        print("MySQL connection is closed")

Code Snippet for Established MySQL Database Connection:

Example:

import mysql.connector

# Configuration parameters
config = {
    'user': 'your_username',
    'password': 'your_password',
    'host': 'localhost',  # or your host address
    'database': 'your_database_name',
}

try:
    # Establish a connection to the MySQL server
    connection = mysql.connector.connect(**config)

    if connection.is_connected():
        # Create a cursor object to execute SQL queries
        cursor = connection.cursor()

        # Define the select query
        select_query = "SELECT * FROM your_table_name"

        # Execute the select query
        cursor.execute(select_query)

        # Fetch all records
        records = cursor.fetchall()

        # Display the fetched records
        for record in records:
            print(record)

except mysql.connector.Error as error:
    print("Error occurred while connecting to MySQL:", error)

finally:
    if 'connection' in locals() and connection.is_connected():
        cursor.close()
        connection.close()
        print("MySQL connection is closed")

Make sure to replace 'your_username', 'your_password', and 'your_database_name' with your actual MySQL credentials and database name.
Replace 'your_table_name' with the name of the table from which you want to select records.
This script connects to the MySQL server, executes a select query to fetch all records from the specified table, and then iterates through the fetched records, printing each one.
Remember to handle exceptions and close the connection properly.

<-- Insert Record

Update Record -->