Does oracle charge a fee?

Oracle software itself is free of charge; you can download and install Oracle's database software from Oracle's official website, but if the database is used for commercial purposes, you need to purchase a license for the corresponding Oracle product, that is, software authorization, software authorization There is a fee.

The operating environment of this tutorial: Windows 10 system, Oracle version 12c, Dell G3 computer.

Is oracle free?

Oracle software itself is free, so anyone can download and install Oracle's database software from Oracle's official website. The fee is License, which is software authorization. If the database is used for commercial purposes, you need to purchase a license for the corresponding Oracle product. If it is for study or educational purposes only then it is free.

Now Oracle has two authorization methods, based on the number of CPUs (Process) and based on the number of users (Named User Plus). The former method is generally used when the number of users is uncertain or very large, typically in an Internet environment, while the latter method is usually used when the number of users is certain or small.

Extended information:

Characteristics of Oracle database:

1. Complete data management functions:

1) Data Massiveness

2) Durability of data storage

3) Sharing of data

4) Reliability of data

2. Complete relationship Products:

1) Information criteria---All information in a relational DBMS should be logically expressed in a way, that is, explicitly represented by values ​​in the table;

2) Guidelines for ensuring access

3) View update guidelines---as long as the data in the table forming the view changes, the data in the corresponding view changes at the same time

4) Data physicality and logic Independence principle

3. Distributed processing function:

ORACLE database has provided distributed processing capabilities since the 5th edition, and has relatively complete distributed database functions by the 7th edition. Yes, an ORACLE distributed database consists of oracledbms, sql*Net, SQL*CONNECT and other non-ORACLE relational products.

Recommended tutorial: "Oracle Video Tutorial"

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