使用嵌入式SQL，数据库编程的复杂性可以通过一些宏子语言来屏蔽。
With Embedded SQL, the intricacies of database programming are masked by a sort of macro sub-language.
在宏内开头定义DATABASE变量告诉它要连接到哪一个数据库。
Define a database variable initially within the macro to tell it which database to connect to.
例如，如果我想打开一个数据库，运行10创建表的查询，我可以创建一个宏来做，只需点击几下。
For example, if I want to open a database and run 10 create Table queries, I can create a macro to do that with just a few clicks.
然而，我的一个朋友曾告诉我，更安全的使用宏因为数据库将被用在本地网络。
However, I was told by a friend that its more secure for me to use macros because the database will be used on a local network.
MISC数据库用于存储用户的交互信息和数据库间的宏信息。
The MISC database is used to store inter-user messages, and inter-database macros.
在窗体上，要创建或修改运行宏的命令按钮，请将该宏从“数据库”窗口拖动到窗体“设计”视图。
On a form, to create or modify a command button that runs a macro, drag the macro from the Database window to form Design view.
在历史上，这些都是由构建程序控制表(PCT)的宏定义的，但是，如今在资源定义联机(rdo)数据库的TRANSACTION定义中进行定义。
Historically, these were defined by macros which built a Program Control Table (PCT), but are nowadays defined in TRANSACTION definitions within the resource definition online (RDO) database.
李健宏正在编写可保存数据库中视频资料元数据的程序，以随时检索取得数据库中的信息。
Li is writing programs to save metadata of videos in database, in order to retrieve the information back from the database whenever needed, and to count vehicles from traffic videos.
李健宏正在编写可保存数据库中视频资料元数据的程序，以随时检索取得数据库中的信息。
Li is writing programs to save metadata of videos in database, in order to retrieve the information back from the database whenever needed, and to count vehicles from traffic videos.
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