1·If you don't put a point but just put a number, this specifies the width of space that will be used by the number you're inserting there.
如果你不用一个点,而只是放一个数字,这指定了你插入的数字所使用的空间宽度。
2·As I mentioned, SQL specifies what data to retrieve or manipulate, but does not specify how the database accomplishes these tasks.
如我所说的,SQL指定了要检索或操作什么数据,但没有指定数据库如何完成这些任务。
3·It specifies one or more registration names.
它指定一个或多个注册名。
4·You see that it defines how to map each method to a particular table and column and specifies which columns are primary keys, finder methods, and so on.
从这段代码中可以看出,它定义了如何将一个方法映射到一个特定的表和列上,并指定哪些列是主键、查找方法,等等。
5·Instead of specifying locations for metadata, it specifies locations where data associated with an LSID can be obtained.
它并不指定元数据的位置,而是指定可以在哪里获得与LSID关联的数据。