指示字符串比较必须使用字符串排序算法。
Indicates that the string comparison must use the string sort algorithm.
对字符串数据进行比较并按一定顺序排列的过程称为排序。
The process of comparing string data and placing it in order is known as collation.
使用规则字符串定义字符排序的顺序。
You use the rule string to define the order in which characters are sorted.
排序字符串，一些项存在但长度为零，一些不见了
Sorting strings where some items are present but have zero length and some are absent
要排序的字段的字符串。
要排序的字段的字符串。
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