Can we connect multiple database in PHP?

Question

Connecting Multiple Databases with PHP MySQLi: Establishing connection to multiple databases using mysqli api is easier than doing it with pdo. All you need to do is open a single connection to the server, and switch between different databases on go with the mysqli_select_db() method. 18 дек. 2017 г.

Is it possible to connect to multiple databases?

Being able to connect to multiple database instances simultaneously offers many benefits, from being able to query multiple instances using the same SELECT statement, to easier migration. In fact, we explored How to Query across Multiple Databases in the previous tip.

How do I connect two databases?

The tables and databases will be created under the same server.1Step 1: Create the first database and table. ... 2Step 2: Create the second database and table. ... 3Step 3: Join the tables from the different databases in SQL Server. ... 4Step 4 (optional): Drop the databases created.

Can we connect to any database from PHP?

PDO will work on 12 different database systems, whereas MySQLi will only work with MySQL databases. So, if you have to switch your project to use another database, PDO makes the process easy. You only have to change the connection string and a few queries.

What databases can PHP connect to?

PHP supports many database management systems including MySQL, MariaDB, Db2, MongoDB, Oracle, PostgreSQL, and SQLite.

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