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πŸ“š Software Architecture with C# 12 and .NET 8 (2023)

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πŸ“š The C# Type System (2023)

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πŸ“š C# Mastery (2023)

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πŸ“š C# 12 Pocket Reference (2023)

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πŸ“š Functional Programming with C# (2023)

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πŸ“š C# 12 and .NET 8 (2023)

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πŸ“š Learning C# Through Small Projects (2024)

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πŸ“š C# and Algorithmic Thinking for the Complete Beginner (2024)

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πŸ“š Functional Programming with C# (2024)

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πŸ“š C# 12 for Cloud, Web, and Desktop Applications (2024)

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πŸ“š C# Cookbook (2021)

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# πŸ“š Connecting MySQL Database with Popular Programming Languages

#MySQL #Programming #Database #Python #Java #CSharp #PHP #Kotlin #MATLAB #Julia

MySQL is a powerful relational database management system. Here’s how to connect MySQL with various programming languages.

---

## πŸ”Ή 1. Connecting MySQL with Python
#Python #MySQL
Use the mysql-connector-python or pymysql library.

import mysql.connector

# Establish connection
conn = mysql.connector.connect(
host="localhost",
user="your_username",
password="your_password",
database="your_database"
)

cursor = conn.cursor()
cursor.execute("SELECT * FROM your_table")
result = cursor.fetchall()

for row in result:
print(row)

conn.close()


---

## πŸ”Ή 2. Connecting MySQL with Java
#Java #JDBC
Use JDBC (Java Database Connectivity).

import java.sql.*;

public class MySQLJava {
public static void main(String[] args) {
String url = "jdbc:mysql://localhost:3306/your_database";
String user = "your_username";
String password = "your_password";

try {
Connection conn = DriverManager.getConnection(url, user, password);
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("SELECT * FROM your_table");

while (rs.next()) {
System.out.println(rs.getString("column_name"));
}

conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}


---

## πŸ”Ή 3. Connecting MySQL with C# (.NET)
#CSharp #DotNet #MySQL
Use MySql.Data NuGet package.

using MySql.Data.MySqlClient;

string connStr = "server=localhost;user=your_username;database=your_database;password=your_password";
MySqlConnection conn = new MySqlConnection(connStr);

try {
conn.Open();
string query = "SELECT * FROM your_table";
MySqlCommand cmd = new MySqlCommand(query, conn);
MySqlDataReader reader = cmd.ExecuteReader();

while (reader.Read()) {
Console.WriteLine(reader["column_name"]);
}
} catch (Exception ex) {
Console.WriteLine(ex.Message);
} finally {
conn.Close();
}


---

## πŸ”Ή 4. Connecting MySQL with PHP
#PHP #MySQL
Use mysqli or PDO.

<?php
$servername = "localhost";
$username = "your_username";
$password = "your_password";
$dbname = "your_database";

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);

// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}

$sql = "SELECT * FROM your_table";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
while($row = $result->fetch_assoc()) {
echo $row["column_name"];
}
} else {
echo "0 results";
}

$conn->close();
?>


---

## πŸ”Ή 5. Connecting MySQL with Kotlin
#Kotlin #JDBC
Use JDBC (similar to Java).

import java.sql.DriverManager

fun main() {
val url = "jdbc:mysql://localhost:3306/your_database"
val user = "your_username"
val password = "your_password"

try {
val conn = DriverManager.getConnection(url, user, password)
val stmt = conn.createStatement()
val rs = stmt.executeQuery("SELECT * FROM your_table")

while (rs.next()) {
println(rs.getString("column_name"))
}

conn.close()
} catch (e: Exception) {
e.printStackTrace()
}
}


---

## πŸ”Ή 6. Connecting MySQL with MATLAB
#MATLAB #Database
Use Database Toolbox.

conn = database('your_database', 'your_username', 'your_password', 'com.mysql.jdbc.Driver', 'jdbc:mysql://localhost:3306/your_database');

data = fetch(conn, 'SELECT * FROM your_table');
disp(data);

close(conn);


---

## πŸ”Ή 7. Connecting MySQL with Julia
#Julia #MySQL
Use MySQL.jl package.

using MySQL

conn = MySQL.connect("localhost", "your_username", "your_password", db="your_database")

result = MySQL.execute(conn, "SELECT * FROM your_table")

for row in result
println(row)
end

MySQL.disconnect(conn)


---
❀5
# πŸ“š Connecting MySQL with Popular Web Frameworks

#MySQL #WebDev #Frameworks #Django #Laravel #Flask #ASPNET #Spring

MySQL is widely used in web development. Here’s how to connect it with top web frameworks.

---

## πŸ”Ή 1. Django (Python) with MySQL
#Django #Python #MySQL
Use mysqlclient or pymysql.

1️⃣ Install the driver:
pip install mysqlclient  # Recommended
# OR
pip install pymysql


2️⃣ Update `settings.py`:
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME': 'your_database',
'USER': 'your_username',
'PASSWORD': 'your_password',
'HOST': 'localhost',
'PORT': '3306',
}
}


3️⃣ If using `pymysql`, add this to `__init__.py`:
import pymysql
pymysql.install_as_MySQLdb()


---

## πŸ”Ή 2. Laravel (PHP) with MySQL
#Laravel #PHP #MySQL
Laravel has built-in MySQL support.

1️⃣ Configure `.env`:
DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=your_database
DB_USERNAME=your_username
DB_PASSWORD=your_password


2️⃣ Run migrations:
php artisan migrate


---

## πŸ”Ή 3. Flask (Python) with MySQL
#Flask #Python #MySQL
Use flask-mysqldb or SQLAlchemy.

### Option 1: Using `flask-mysqldb`
from flask import Flask
from flask_mysqldb import MySQL

app = Flask(__name__)

app.config['MYSQL_HOST'] = 'localhost'
app.config['MYSQL_USER'] = 'your_username'
app.config['MYSQL_PASSWORD'] = 'your_password'
app.config['MYSQL_DB'] = 'your_database'

mysql = MySQL(app)

@app.route('/')
def index():
cur = mysql.connection.cursor()
cur.execute("SELECT * FROM your_table")
data = cur.fetchall()
return str(data)


### Option 2: Using SQLAlchemy
from flask import Flask
from flask_sqlalchemy import SQLAlchemy

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://username:password@localhost/your_database'
db = SQLAlchemy(app)


---

## πŸ”Ή 4. ASP.NET Core with MySQL
#ASPNET #CSharp #MySQL
Use Pomelo.EntityFrameworkCore.MySql.

1️⃣ Install the package:
dotnet add package Pomelo.EntityFrameworkCore.MySql


2️⃣ Configure in `Startup.cs`:
services.AddDbContext<ApplicationDbContext>(options =>
options.UseMySql(
"server=localhost;database=your_database;user=your_username;password=your_password",
ServerVersion.AutoDetect("server=localhost;database=your_database")
)
);


---

## πŸ”Ή 5. Spring Boot (Java) with MySQL
#SpringBoot #Java #MySQL

1️⃣ Add dependency in `pom.xml`:
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.28</version>
</dependency>


2️⃣ Configure `application.properties`:
spring.datasource.url=jdbc:mysql://localhost:3306/your_database
spring.datasource.username=your_username
spring.datasource.password=your_password
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver


3️⃣ JPA Entity Example:
@Entity
@Table(name = "users")
public class User {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String name;
// Getters & Setters
}


---

## πŸ”Ή 6. Express.js (Node.js) with MySQL
#Express #NodeJS #MySQL
Use mysql2 or sequelize.

### Option 1: Using `mysql2`
const mysql = require('mysql2');

const connection = mysql.createConnection({
host: 'localhost',
user: 'your_username',
password: 'your_password',
database: 'your_database'
});

connection.query('SELECT * FROM users', (err, results) => {
console.log(results);
});


### Option 2: Using Sequelize (ORM)
const { Sequelize } = require('sequelize');

const sequelize = new Sequelize('your_database', 'your_username', 'your_password', {
host: 'localhost',
dialect: 'mysql'
});

// Test connection
sequelize.authenticate()
.then(() => console.log('Connected!'))
.catch(err => console.error('Error:', err));


---

### πŸ“Œ Conclusion
MySQL integrates smoothly with all major web frameworks. Choose the right approach based on your stack!

#WebDevelopment #Backend #MySQLIntegration

πŸš€ Happy Coding! πŸš€
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