Both Oracle and DB2 are secure databases with basic and advanced security features. In Oracle, there are 4 different user authentication methods, as follows.

Oracle和DB 2都是具有基本和高级安全特性的安全数据库。

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The steps to create and test the security realm with a sample application in combination with some advanced features will be discussed later in the next section.

在本文的下一个部分中，将会讨论创建安全领域、并使用示例应用程序结合某些高级功能对它进行测试的步骤。

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The steps to create the security realm and test it with a sample application in combination with some advanced features will be discussed later in the article.

在本文后面的部分中，将会讨论创建安全领域，并使用示例应用程序结合某些高级功能对它进行测试的步骤。

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The benefits of keeping data in the data center, combined with advanced security features have propelled virtualization to be a top business initiative.

FORBES: Virtualization: A Solution For The Tablet Security Conundrum