For example, you might run a daily report that shows the change in data from yesterday. You can compare the individual rows of table data or find intersections or unions of sets of rows.
例如，你可能需要生成一份前一天数据更新的日报告，你可以分别比较表的每一行或找到行的交集和并集。
At intersections I saw a particularly lovely Old English sheepdog, went up and say hello, Old English sheepdog seems very good to me and want to take me to find ganoderma lucidum.
在路口看到一条特别可爱的古牧，上去和它打了招呼，古牧犬好像对我很好，想带我去找灵芝。
At intersections I saw a particularly lovely Old English sheepdog, went up and say hello, Old English sheepdog seems very good to me and want to take me to find ganoderma lucidum.
在路口看到一条特别可爱的古牧，上去和它打了招呼，古牧犬好像对我很好，想带我去找灵芝。
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