If the argument is a negative number, then the exponent is the same as the exponent of the absolute value of that number.

如果参数为负数，则数字的指数与该数字的绝对值的指数相同。

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This statistic does not represent an absolute indication of the number of users, but a relative one to the SERVER_SESSION_TIMEOUT value.

这一统计数据不代表用户数的绝对指示，但却相对于SERVER_SESSION _ TIMEOUT值。

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Note: If the number of sequential scans exceeds MAXINT (more than 2 billion), it will roll over to a negative number - hence, we ask for the absolute value. Here are the results from that select.

注意：如果顺序扫描数超过MAXINT(20多亿)，它将变成一个负数—因此，我们需要绝对值。

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