Python

To write data to a PostgreSQL database using Python, you can use the psycopg2 library. Here’s an example code import psycopg2 # Connect to the PostgreSQL database conn = psycopg2.connect( host='your_host', user='your_user', password='your_password', database='your_database' ) # Create a cursor object cur = conn.cursor() # Define…

To read data from a PostgreSQL database using Python, you can use the psycopg2 library. Here’s an example code import psycopg2 # Connect to the PostgreSQL database conn = psycopg2.connect( host='your_host', user='your_user', password='your_password', database='your_database' ) # Create a cursor object cur = conn.cursor() # Execute…

To write data to a MySQL database using Python, you can use the mysql-connector-python library. Here’s an example code import mysql.connector # Connect to the MySQL database cnx = mysql.connector.connect( host='your_host', user='your_user', password='your_password', database='your_database' ) # Create a cursor object cursor = cnx.cursor() # Define…

To read data from a MySQL database using Python, you can use the mysql-connector-python library. Here’s an example code import mysql.connector # Connect to the MySQL database cnx = mysql.connector.connect( host='your_host', user='your_user', password='your_password', database='your_database' ) # Create a cursor object cursor = cnx.cursor() # Execute…

Here is a sample Python code to write data to SQLite database from an Excel file using the pandas library import pandas as pd import sqlite3 # Connect to the SQLite database conn = sqlite3.connect('example.db') # Load the Excel file into a pandas dataframe df…

Here’s a sample Python code to write data to a SQLite database from a CSV file import sqlite3 import csv # Open the CSV file and read its contents with open('data.csv', 'r') as file: csv_reader = csv.reader(file) # Connect to the SQLite database conn =…

Here’s an example code to read data from an SQLite database using Python and the sqlite3 module import sqlite3 # connect to the database conn = sqlite3.connect('example.db') # create a cursor object cur = conn.cursor() # execute a SELECT statement cur.execute('SELECT * FROM customers') #…

Here’s a sample Python code to write data to an SQLite database import sqlite3 # create a connection to the database conn = sqlite3.connect('example.db') # create a cursor object cursor = conn.cursor() # create a table cursor.execute('''CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY…

Here’s an example of how to write data from an Excel file to a SQL database using Python and the pandas library import pandas as pd import pyodbc # Connect to SQL Server server_name = "server_name" database_name = "database_name" username = "username" password = "password"…

To write data from a CSV file to a SQL database using Python, you can use the csv and pyodbc libraries to read the CSV file and write the data to the SQL database. Here’s an example code import csv import pyodbc # Connect to…