During importing data into database, the validity of data fields checking assure of the valid of original data.
在数据库数据录入过程中的数据字段有效性检查确保了数据的有效性。
Importing data into Google's database is dicey and prone to errors you just won't be able to easily fix yourself.
将数据导入到Google的数据库比较冒险，也容易出错，而且您自己不容易修复那些错误。
Importing the data into a MySQL database.
将数据导入MySQL数据库。
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