选择 shared_diskhb 或相关名称并填写详细信息

Select shared_diskhb or the relevant name as appropriate and fill in the details as below

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允许子查询中使用相关名称(correlation name)。

Correlation names for sub queries are allowed.

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它允许根据相关名称空间定义复杂或简单类型的约束以进行扩展。

Wildcarding allows you to define complex or simple type restrictions for extensions based on an associated namespace.

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