您还需要学习如何最好地编写这些 SQL 语句以及如何发现 DB2 选择的存取路径来满足您的 SQL 请求。

You'll also need to learn how best to write these SQL statements, and how to discover the access paths DB2 chose to satisfy your SQL requests.

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您还可以使用该命令添加更多的卷用于数据或应用程序，但是最好通过最低ID将用作操作系统磁盘的卷放在最前面。

You can also use this command to add more volumes for data or applications, but it's better to keep the volume you want to use as an OS disk in first place with the lowest ID.

youdao

您还可以移除已经提供的两个分隔符，但您最好是只添加一个新的分隔符即可。

You could also remove the two delimiters that are already provided, but simply adding a new delimiter is the better approach.

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