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You don't. PHP does not required MySQL to function.
But because PHP is one of the easiest language with more built-in functions than you would ever need, and MySQL is free and easy to manage; people often use them together :)
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How do you delete data from a MySQL database using PHP?
To delete data from your MySQL database you need to use the mysql_query() function. Please see the example below: <?php mysql_query("DELETE FROM table_name WHERE field_name = 44"); ?>
How do you create a database using PHP?
The following are the fundamental procedures for creating a MySQL database with PHP: As demonstrated in this article, connect to the MySQL server from your PHP script. If the connection is successful, construct a database using SQL and save it in a string variable. Carry out the query. To learn more about data science please visit- Learnbay.co
Why to use use MYSQL with PHP and not anyother database?
You can connect any DB via PHP if you have database specific database extensions defined. LAMPP stack refer to 'Linux Apache Mysql PHP Perl'. Hence this stack is famous for php development as it include all the needed components for web development. Mysql is preferred mostly because it's extension is added by default in XAMPP or WAMPP stack.
What is a database in PHP?
Database = Where you save your data (ex: if a user fill your registration form, entered data should be saved somewhere, that's database) Usually in PHP we use MySQL Database.
How are PHP and MySQL compatible?
By sending messages to the MySQL server, you can communicate with the database. To submit SQL queries to the database, you use PHP functions. You don't need to know how to communicate with MySQL because PHP takes care of that. You only need to be familiar with SQL queries and PHP functions. To learn more about data science please visit- Learnbay.co
How do you update data in a MySQL database using PHP?
To update data from your MySQL database you need to use the mysql_query() function. Please see the example below: <?php mysql_query("UPDATE table_name SET field_name_2 = '77' WHERE field_name = 44"); ?>
How to you connect in mysql database?
Use the following code to connect to your mysql database from the php file. variables are hostname, db_username, db_password - see the code below for the exact connection example. <?php mysql_connect("localhost", "admin", "1admin") or die(mysql_error()); echo "Connected to MySQL<br />"; ?>
Is html enough to create a database?
No, you must use at least two other languages such as php and MySQL.
What host do you use when your MySQL database is on a separate server to your PHP scripts?
For the host you need to put the IP address of the MySQL server instead of localhost.
How do you close a MySQL database connection using PHP?
To close your MySQL database connection you need to use the mysql_close() function. Please see the example below: <?php mysql_close(); ?> If your connection data is stored in a variable you would close the connection like this instead: <?php mysql_close($db_conn); ?> That's useful for if you're using more than one database connection in a PHP script.
How do you run a MySQL query from PHP file?
Here is a simple script that you can do to run a MySQL query after you have set a database up. <?php // Database Settings $db['hostname'] = "localhost"; $db['username'] = "<db username>"; $db['password'] = "<db password>"; $db['database'] = "<db name>"; // Connect to MySQL $connect = mysql_connect($db['hostname'], $db['username'], $db['password']); // Select Database mysql_select_db($db['database'], $connect); // Do MySQL Query mysql_query("INSERT INTO table_name SET field_name = '1234567890'"); // Close MySQL mysql_close($connect); ?> Obviously you will need to use your own MySQL settings and database details, but this gives you a general overview of how you can do it.
How do you retrieve an image from a database using PHP?
It depends what Database you are using. I personally use MySQL so will explain how you would do it using MySQL. You would have to create the MySQL database. I would store the image URL rather than the actual image. Then call it using PHP and a MySQL query. For Example: $sql = "SELECT * FROM Images WHERE Img_Name = 'img1'"; $query = mysql_query($sql); $array = mysql_fetch_array(query); then you would call it into HTML like so:
