Examine the following command that is executed for the TRANSPORT table in the SH schema: Which statement describes the significance of this command?（） It collects statistics into the pending area in the data dictionary。 It creates a virtual hidden column in the CUSTOMERS_OBE table。 It collects statistics with AUTO_SAMPLE_SIZE for ESTIMATE_PERCENT。 It creates a histogram to hold skewed information about the data in the colum。
省、自治区、直辖市人民政府根据实际情况，可以将城镇居民社会养老保险和新型农村社会养老保险合并实施。
下列不属于物流要素集成结果形式的是（） 资源共享。 市场化。 建立战略联盟。 效益最大化。
当螺母和螺栓头周围的空间窄小，不能使用活扳手时，宜采用（） 起子。 螺丝刀。 呆扳手。 梅花扳手。
You are working in an online transaction processing （OLTP） environment. You realize that the salary for an employee， John， has been accidentally modified in the EMPLOYEES table. Two days ago， the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected？（） perform point-in-time recovery。 perform a Flashback Table operation to restore the table to the state it was in two days ago。 perform a Flashback Database operation to restore the database to the state it was in two days ago。 perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements， and then use them for recovery。
在ISO9001族标准中，第三方质量管理体系审核的目的是（）。
