How to check MySQL database version?

To check the MySQL database version, you can use the following SQL query:

<code>SELECT VERSION();</code>

1	<code>SELECT VERSION();</code>

Here’s how you can check the MySQL database version using different methods:

1. Command Line:

If you have access to the MySQL Command Line Client, you can open it and run the SQL query mentioned above. Here’s how:

Open the Command Prompt or Terminal on your computer.
Log in to MySQL using your username and password:

mysql -u your_username -p

1	mysql -u your_username -p

Enter your MySQL password when prompted.
Run the SQL query to check the version:csharp

SELECT VERSION();

1	SELECT VERSION();

The output will display the MySQL version installed on your system.

2. Using a MySQL Client:

If you are using a graphical MySQL client like phpMyAdmin, HeidiSQL, or MySQL Workbench, you can run the same SQL query in the SQL query editor or query window to check the version.

3. Using PHP:

If you have a PHP application that connects to the MySQL database, you can use PHP to check the database version programmatically. Here’s a simple PHP script to do that:

&lt;?php
$host = "your_mysql_host"; // e.g., localhost
$username = "your_mysql_username";
$password = "your_mysql_password";
// Connect to MySQL server
$conn = mysqli_connect($host, $username, $password);
// Check connection
if (!$conn) {
die("Connection failed: " . mysqli_connect_error());
}
// Run the query to get the version
$sql = "SELECT VERSION()";
$result = mysqli_query($conn, $sql);
// Check if the query was successful
if ($result) {
$row = mysqli_fetch_array($result);
echo "MySQL version: " . $row&#91;0];
} else {
echo "Error executing query: " . mysqli_error($conn);
}
// Close the connection
mysqli_close($conn);
?>

<?php

$host = "your_mysql_host"; // e.g., localhost

$username = "your_mysql_username";

$password = "your_mysql_password";

// Connect to MySQL server

$conn = mysqli_connect($host, $username, $password);

// Check connection

if (!$conn) {

die("Connection failed: " . mysqli_connect_error());

}

// Run the query to get the version

$sql = "SELECT VERSION()";

$result = mysqli_query($conn, $sql);

// Check if the query was successful

if ($result) {

$row = mysqli_fetch_array($result);

echo "MySQL version: " . $row[0];

} else {

echo "Error executing query: " . mysqli_error($conn);

}

// Close the connection

mysqli_close($conn);

Replace “your_mysql_host,” “your_mysql_username,” and “your_mysql_password” with your MySQL server information.

Using any of these methods, you can easily check the MySQL database version installed on your system.

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