A user-copy table can have the same structure as the source table or it can have a subset of source columns, with or without before images or calculated columns.

User - copy表拥有的结构可以与源表相同，也可以拥有源列的子集，带有或不带有前映像(before image)或计算列。

youdao

youdao

youdao

Otherwise, we don't have enough seats, or we don't have enough test papers and so on. By the way, on the tests, you will be getting tomorrow these handouts that you can use in working the homeworks , so when you are taking the test, you are allowed to bring in the copy of the periodic table of the elements.

否则，我们就没有足够的座位，或者没有足够的考试卷子,顺便说一下，在测试当中，你们明天会拿到这些讲义,就可以用来做作业了,当你们在做测试时，你们可以带来,元素周期表。

麻省理工公开课 - 固态化学导论课程节选

One gift that will keep the conversation going evening after evening is a copy of the Periodic Table.

FORBES: Toys Your Techie Friends Will Love

Some agents have told me that they carry a a copy of the Federal Sentencing Guideline Table as a visual aid in showing targets how much prison time they could be looking at should they consider NOT cooperating.

FORBES: This Is Accused Insider Trader Mathew Martoma's Life Now