Can you have multiple MySQL databases?

Question

You can set up multiple instances of mysql but for your situation you are better off creating different databases within the same instance. You can create databases and then add users that only have access to manipulate the database they are given and nothing else. 7 нояб. 2014 г.

How many databases can you create in MySQL?

MySQL has no limit on the number of databases. The underlying file system may have a limit on the number of directories. MySQL has no limit on the number of tables.

Can I have 2 MySQL servers?

It is possible to use a different MySQL server binary per instance, or use the same binary for multiple instances, or any combination of the two approaches. For example, you might run a server from MySQL 5.7 and one from MySQL 8.0, to see how different versions handle a given workload.

Can you have multiple databases?

Try to keep logically related information together and unrelated information separate. Try to avoid multiple databases or tables with the same design or purpose. Multiple database apps are usually apps which have their own data requirements but also have to integrate with another existing app or service's database.

How do I connect to multiple MySQL databases?

Connecting Multiple Databases with PHP MySQLi:1Step-1) Open the Mysql Connection. ... 2Step-2) Select and Retrieve Records from the First Database. ... 3Step-3) Select and Retrieve Records from the Second Database. ... 4Step-4) Closing the Connection. ... 5Step-1) Connect First Database with PDO. ... 6Step-2) Connect the Second Database.

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