You are using flat files as the data source for one of your data warehousing applications. To optimizethe application performance， you plan to move the data from the flat files toclustered tablesin an Oracle database. While migrating the data， you want to have minimal impact on the database performance and optimize thedata load operation. Which method would you use to load data into the Oracle database（） Use the external table population.。 Use the Oracle Data Pump export and import utility.。 Use the conventional path data load of the SQL*Loader utility.。 Use the INSERT INTO...SELECT command to load the data.。
通常情况下，若测得串级式电压互感器介损tgδ值很大，可能的原因（排除外界影响因素后）是（）。 支架开裂。 线圈匝，层间短路。 受潮。 铁心夹件悬浮电位放电。
You define an alert to be raised when the USERS tablespace usage has reached 80%of the total space. Which area would you refer to， in order to confirm that the alert has been raised due the event？（） the alert.log file。 the DBA_ALERTS view。 the Database Control Home page。 the Database Control performance page。 the Database Control Maintenance page。
棕榈科植物的分类及形态特征
高处作业时，不得将钢筋集中堆在模板和脚手架上，也不要把工具、钢箍、短钢筋随意放在脚手架上，以免（） 短路。 滑下伤人。 遗忘。 丢弃。
A JavaBeans component has the following field：
11. private boolean enabled；
Which two pairs of method declarations follow the JavaBeans standard for accessing this field？（）
