This is an example of embedded business logic contained in the column.
这个例子展示可以将嵌入的业务逻辑包含在列中。
2
Finally, all column definitions are separated by commas, and embedded in brackets.
最后，所有列定义都由逗号分隔，并括在括号中。
3
A scalar subquery is an embedded query that returns a single row that contains a single column — essentially, a single value, which is known as a scalar.