shirin plans to change the form and views of a production database. she will make the changes locally and then update the application’s design template with the changes. which one of the following server tasks does the administrator run in order for the changes to take effect?（） design 。 updall 。 replica 。 fixu。
An enterprise has two nodes： -Node ’A’ runs a large relational database and ha six CPUs and 32GB of memory. -Node ’B’ is an application server with three CPU’s and 16GB of memory. During peak production periods， the CPU load for Node ’A’ is normally between 30% and 40%. For Node ’B’， the CPU load is 10% to 20% during peak production periods. Which of the following describes the best solution for an HACMP cluster？（） Two cluster with two resource groups in a mutual takeover configuration.。 One cluster with two cascading resource groups in a mutual takeover configuration.。 One cluster with two rotating resource groups in a one-sided hot standby configuration.。 Two clusters with two resource groups in a hot-standby configuration with a newly acquired third node.。
液化石油气各组分分子碳原子数越多，其沸点越（）。 高。 低。
抽样调查的精度是指（） 估计量的抽样误差与待估的参数之比。 估计量的抽样标准误差与待估的参数之比。 估计量的抽样误差与方差之比。 估计量的抽样标准误差与方差之比。
Which command synchronizes or rebuilds the logical volume control block, the device configuration database, and the volume group descriptor areas on the physical volumes?（） syncvg rootvg。 synclvm rootvg。 varyonvg rootvg。 synclvodm rootvg。
当我们面前遇到一串电话号码的时候，我们为了号码能暂时保留在头脑中，一般会使用以下哪种策略？（）
