The table xmlcustomer has two columns of types bigint and XML, respectively, and contains two rows of data.

xmlcustomer 表有两列，类型分别为 bigint 和 XML。

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The table has a row change timestamp column: a row change TOKEN expression returns a BIGINT value derived from the timestamp value in the column.

表具有一个行修改时间戳列：ROW CHANGE TOKEN表达式返回一个从列的时间戳值获得的bigint值。

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For processing efficiency and possible space savings, consideration should be given to replacing DECIMAL (x, 0) data types with INTEGER or BIGINT.

为了提高处理效率和尽可能地节约空间，应该考虑用INTEGER或BIGINT代替DECIMAL (x, 0)数据类型。

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