这为恢复受损数据库提供4种类型的备份数据。

This gives you up to four kinds of backup data you can use to recover a damaged database.

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当在数据库中输入不准确的数据时，数据质量就会受损。

Data quality can be corrupted when inaccurate data is entered into a database. For example, someone could create a record for "Ms."

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创建一个Statement来执行删除和重新创建表的命令，这允许您在数据库受损时通过此程序重置数据库。

You create a Statement to execute commands to drop and recreate the table, which allows you to reset the database from this program if it becomes corrupted.

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