这个脚本只处理一个可能的错误：数据库连接故障。
This script deals with only one possible error: a failure to connect to the database.
媒体故障出现在有人意外从系统删除数据库文件时。
Media failure occurs when someone accidentally deletes a database file from the file system.
嵌入式数据库最重要的性质是可靠性：它不会发生故障。
The single most important quality of an embedded database is reliability: it cannot fail, ever.
任何数据库文件可以很容易发生介质故障。
数据库曾经出现过一些故障，但现在运行良好。
Of course there were usually some failures but now it's working very well.
这是数据库问题进行故障排除时要记住的一个重要步骤。
This is an important step to remember when troubleshooting database issues.
这是数据库问题进行故障排除时要记住的一个重要步骤。
This is an important step to remember when troubleshooting database issues.
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