The script consists mainly of opening a table, checking every row in the flatdatabase to make sure it's not a duplicate, then adding the necessary fields.
该脚本主要由在平板数据库打开表，检查每一行，以确保它不是一个重复，再加入必要的字段。
2
The data could reside in a flat file or in a database.
数据可以放在一个平面文件中，也可以存储在数据库中。
3
For example, it might encompass a relational database, flat files, or even XML documents.