Note the following points describing various utilities in Oracle Database 1g:1. It enables the high-speed transfer of data from one database to another. 2. It provides a complete solution for the backup, restoration, and recovery needs of the entire database.3. It enables the loading of data from an external file into an Oracle database.4. It provides a tape backup management for the Oracle ecosystem. Which point describes Oracle Secure Backup() 1。 2。 3。 4。 1, 2, and 4。 1, 2, 3, and 4。
监理机构接受承建单位的索赔要求后,应立即进行施工索赔的准备工作,在对承建单位工期延期索赔计算书中的()、关键路线分析和工期计算成果审查与合理性分析基础上,提出工期调整的初步审查意见。 合同工期。 工时工效。 工时考核。 工期调整。 工期计划。
What two statements are true regarding the recommendations received from the SQL Access Advisor?()(Choose two.) It cannot generate recommendations that support multiple workload queries.。 It can recommend partitioning on tables provided that the workloads have some predicates and joins on the columns of the NUMBER or DATE type.。 It can recommend partitioning only on tables that have at least 10,000 rows.。 It can recommend only B-tree indexes and not bitmap or function-based indexe。
以语言交流为主的教育方法有() 暗示法。 讲授法。 讨论法。 演示法。 谈话法。
电力系统在最大运行方式时,系统的阻抗最小,而()最大。
下列不属于电子商务对现行税法基本要素产生影响的是()