If I were to copy and paste this code all around, then change the field structure of the book table, I would be in a bad way.
如果我四处拷贝和粘贴这个代码,然后修改了book表的字段结构,那么我可能就麻烦了。
Click on the Preview command button to see the generated commands for the table paste operation and for adding the new column.
单击p review Command按钮查看所生成的表粘贴操作和增加新字段的命令。
Copy and paste the DELIM1 table, and change the name on the copied line to be delim2.
复制粘贴DELIM 1表,并在复制行将其名称更改为delim2。
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