PHP Pass

Database Access

PHP MySQLi Queries

Executing MySQLi Queries

PHP MySQLi queries execute SELECT and INSERT with multi_query.

Introduction to MySQLi Queries

MySQLi (MySQL Improved) is a PHP extension designed to provide an interface to interact with MySQL databases. It supports both procedural and object-oriented programming approaches, making it flexible for developers. In this guide, we will focus on executing SELECT and INSERT queries using MySQLi's multi_query function, which allows for executing multiple SQL statements in a single operation.

Using SELECT Queries with MySQLi

The SELECT statement is used to fetch data from a database. With MySQLi, you can execute this query using the query method. Below is an example of how to perform a SELECT query to fetch data from a table named users.

Executing INSERT Queries with MySQLi

The INSERT statement is used to add new records to a database table. You can execute an INSERT query using the query method in MySQLi. Here's an example of how to insert a new record into the users table.

Using Multi-query with MySQLi

The multi_query function in MySQLi allows you to execute multiple queries in a single call. This can be beneficial when you want to perform multiple operations without multiple database interactions. Below is an example demonstrating how to use multi_query to execute multiple SQL statements.

Conclusion

Using MySQLi for executing SQL queries in PHP is both powerful and flexible, supporting a variety of operations through different methods. The multi_query function is particularly useful when you need to execute multiple queries efficiently. Always ensure to handle errors and close the database connection to maintain optimal performance and security.

Database Access

Next
PDO Connect