仅当虚拟数据集的直接数据集启动或部署之后，才能启动或部署它。
A virtual cube can be started or deployed only after both its direct cubes are started or deployed.
该方法允许您规划 DB2 存储并小心地将 DB2 数据集放在选定的直接访问卷上。
This method would let you plan DB2 storage and carefully place DB2 datasets on selected direct access volumes.
它直接建立数据库连接来执行数据库操作，如数据更新和结果集检索。
It establishes database connections directly to perform database operations such as data updates and result set retrieval.
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