What database is most commonly used in java projects?

The most common databases used in java projects are mysql and oracle. Most companies' projects use one or both of them.

Oracle is a commercial database that provides better data services and is mainly used for large-scale database applications.

Oracle itself has great strength, so it has developed many powerful tools for data mining, retrieval, backup and recovery for customers, and those who can use its services have massive data to process. For example, China Mobile's business data can generate hundreds of millions of data every day, all of which are stored using Oracle databases.

Mysql is an open source product, free of charge, and all source codes can be modified according to your own needs (as long as you have the ability). It is mainly used for various small and medium-sized data applications. If the project requires database services but does not reach the scale of massive data, it is recommended to use mysql because it is free.

It is recommended to use mysql database in the process of learning java.

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