This can be added to existing tables using the ALTER table statement, or the row change timestamp column can defined when creating a new table.

这可以通过ALTER table语句添加到现有表，或者在创建新表时定义行修改时间戳列。

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You can create a table WITH AUDIT clause or alter table ADD|DROP AUDIT clause.

您可以创建一个表格 WITH AUDIT 子句，或者改变表格 ADD|DROP AUDIT 子句。

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The following example demonstrates how to rename a column using the ALTER table command while keeping the table fully accessible.

下面的示例演示了如何使用ALTER TABLE命令重命名一个列，同时保持表具有完整的可访问性？

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But research published in the Proceedings of the National Academy of Sciences could drastically alter those assumptions by bringing another no-less-ominous factor to the table: biology.

FORBES: Study: Humans Aren't the Only Apes that Have a Midlife Crisis