Which of the following is not a valid calendaring syntax element？（） FREQ。 BYHOUR。 RUNDATE。 INTERVAL。 BYMINUTE。
关于钢筋混凝土板的配筋构造要求的表述，说法错误的是（）。 采用分离式配筋的多跨板，板底钢筋宜全部伸入支座。 当板厚不大于150mm时，板中受力钢筋的间距不宜大于250mm。 按单向板设计时，应在垂直于受力的方向布置分布钢筋。 在温度、收缩应力较大的现浇板区域，应在板的表面双向配置防裂构造钢筋。
Which three are DATETIME data types that can be used when specifying column definitions? （） TIMESTAMP。 INTERVAL MONTH TO DAY。 INTERVAL DAY TO SECOND。 INTERVAL YEAR TO MONTH。 TIMESTAMP WITH DATABASE TIMEZONE。
An administrator wants to test the performance of an application at different memory sizes. What is the most effective way to perform the test and collect statistical information for each test？（） Run DLPAR to change the LPAR memory for each test.。 Run rmss command to simulate different memory for each test.。 Run chdev command to limit the system memory size for each test.。 Run chattr command to limit the system memory size for each test.。
What aids IBM sales and business partners and facilitates technical collaborations in configuring eServer systems and rack cabinets？ The tool is also capable of saving or exporting data in several different formats.（） IBM Standalone Solutions Configuration Tool （SSCT）。 IBM Server Proven。 IBM System x Reference Sheets。 IBM eServer Configuration and Options Guide。 IBM Sizing Guide。
You are maintaining your OLTP database in Oracle10g. While observing the performance of the database， you find that the log switch occurs more than once for every 20 minutes， affecting the database performance. Which factor is responsible for frequent log switches？（）
