Connecting to my sql using PHP
Download as PPTX, PDF1 like668 views
This document discusses MySQL, a popular database system used with PHP. It explains that MySQL stores data in tables with columns and rows, and that databases are useful for categorically storing information like employees, products, customers, and orders. It also discusses using PHP and MySQL together, performing queries on databases to retrieve specific recordsets, and how to connect to and manipulate a MySQL database using functions like mysqli_connect() in PHP.
Connecting to my sql using PHP
- 2. With PHP, you can connect to and manipulate databases. MySQL is the most popular database system used with PHP. 2
- 3. MySQL is a database system used on the web MySQL is a database system that runs on a server MySQL is ideal for both small and large applications MySQL is very fast, reliable, and easy to use MySQL supports standard SQL MySQL works on many operating systems and with many languages including PHP, PERL, C, C++, JAVA, etc. MySQL compiles on a number of platforms MySQL is free to download and use MySQL is developed, distributed, and supported by Oracle Corporation MySQL is named after co-founder Monty Widenius's daughter: My 3
- 4. The data in MySQL is stored in tables. A table is a collection of related data, and it consists of columns and rows. Databases are useful when storing information categorically. A company may have a database with the following tables: Employees Products Customers Orders 4
- 5. PHP + MySQL PHP combined with MySQL are cross-platform (you can develop in Windows and serve on a Unix platform) 5
- 6. A query is a question or a request. We can query a database for specific information and have a recordset returned. Look at the following query (using standard SQL): SELECT LastName FROM Employees 6
- 7. 7
- 8. 8
- 9. 9
- 10. 10
- 11. Use the PHP mysqli_connect() function to open a new connection to the MySQL server. Open a Connection to the MySQL Server Before we can access data in a database, we must open a connection to the MySQL server. In PHP, this is done with the mysqli_connect() function. Syntax mysqli_connect( host, username, password, dbname); 11
- 12. Syntax mysqli_connect( host, username, password, dbname); 12 Parameter Description host Either a host name or an IP address username The MySQL user name password The password to log in with dbname Optional. The default database to be used when performing queries
- 13. 13
- 14. 14
- 15. 15
- 16. 16
- 17. 17
- 18. 18
- 19. 19
- 20. 20
- 21. 21
- 22. $dbc=mysqli_connect( 'localhost', "root", "", "users"); 22 $query = "INSERT INTO user VALUES ( 123, 'hel88');"; mysqli_query($dbc,$query ); mysqli_close($dbc);
- 23. www.w3school.com Head First Php & MySQL 23