You issued the following command to drop the PRODUCTS table: SQL> DROP TABLE products; What is the implication of this command?（） All data along with the table structure is deleted 。 The pending transaction in the session is committed 。 All indexes on the table will remain but they are invalidated 。 All views and synonyms will remain but they are invalidated 。 All data in the table are deleted but the table structure will remai。
设计单位不应当根据勘察成果文件进行建设工程设计。
Which of the following commands should be used to delete an entry from the /etc/inittab？（） xitab。 rmitab。 chitab。 delita。
A customer is considering replacement of twenty older 4U and 6U rack-based servers with one IBM x366 Server running VMWare ESX attached to one DS4300. Which of the following represents a reduction in Total Cost of Ownership （TCO） for the customer？（） Reduction in operating system software licensing and application costs。 Reduction in floor space and hardware cost saving。 VMWare is licensed per system so no extra charge for SMP support。 No single point of failure， reducing downtime。
根据预应力筋应力损失发生的时间可分为瞬间损失和长期损失。其中，张拉阶段瞬间损失包括（）。 锚固损失。 弹性压缩损失。 孔道摩擦损失。 预应力筋应力松弛损失。 混凝土收缩徐变损失。
Your BladeCenter customer operates multiple geographically dispersed datacenters and needs resilient remote access to servers.
What is the most cost-effective solution listed below？（）
