For instance, if you are performing a database upgrade to your reporting database, you should back it up and test the restore.
例如，如果执行报告数据库的数据库升级，那么您应该备份数据库并测试还原。
The first few lines of the script in Listing 1 simply wipe out and restore the test database in mySQL.
清单1中脚本的前面几行只是清除并恢复mySQL中的test数据库。
The first few lines of the script in Listing 1 simply wipe out and restore the test database in mySQL.
清单1中脚本的前面几行只是清除并恢复mySQL中的test数据库。
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