SQL

python how to connect to sql server

import pandas as pd
import pyodbc 

conn = pyodbc.connect('Driver={SQL Server};'
                      'Server=RONSQLEXPRESS;'
                      'Database=test_database;'
                      'Trusted_Connection=yes;')

df = pd.read_sql_query('SELECT * FROM products', conn)

print(df)
print(type(df))

connecting to mysql database using python

import mysql.connector
from mysql.connector import Error

try:
    connection = mysql.connector.connect(host='localhost',
                                         database='Electronics',
                                         user='pynative',
                                         password='pynative@#29')
    if connection.is_connected():
        db_Info = connection.get_server_info()
        print("Connected to MySQL Server version ", db_Info)
        cursor = connection.cursor()
        cursor.execute("select database();")
        record = cursor.fetchone()
        print("You're connected to database: ", record)

except Error as e:
    print("Error while connecting to MySQL", e)
finally:
    if connection.is_connected():
        cursor.close()
        connection.close()
        print("MySQL connection is closed")

how to connect sql database in python

#create database in python with mysql

import mysql.connector

mydb = mysql.connector.connect(
  host="localhost",
  user="yourusername",
  password="yourpassword"
)

mycursor = mydb.cursor()

mycursor.execute("CREATE DATABASE mydatabase")

connect to sql database python

import sqlite3

try:
    sqliteConnection = sqlite3.connect('test.db')
    cursor = sqliteConnection.cursor()
    print("SQLITE Connection Established!")
    cursor.close()

except sqlite3.Error as error:
    print("Error while connecting to sqlite", error)
finally:
    if (sqliteConnection):
        sqliteConnection.close()
        print("Connection closed")