液体动压轴承工作时，下列说法正确的是（）。 轴有一定的旋转速度。 轴有足够的离心力。 轴承处于混合摩擦。 轴承处于纯液体摩擦。
The user SYS creates a job by using the following command: Which two statements are true about the job that was created by the preceding command? （）(Choose two.) The job is enabled by default after creation。 The job is automatically dropped after the end date。 The job executes with the privileges of the user SYS。 The globalization environment that exists at the time of the job creation prevails at the job ru。
监理人员应当保守执业秘密，并可以同时在两个以上水利工程项目从事监理业务。
能够实现格式化输入的编辑框组件是（）
Which statement is true for enabling Enterprise Manager Support Workbench in Oracle Database 11g to upload the physical files generated by Incident Packaging Service （IPS） to MetaLink？（） The database must be running in ARCHIVELOG mode.。 No special setup is required， and the feature is enabled by default.。 The path for the Automatic Diagnostic Repository （ADR） must be configured with the DIAGNOSTIC_DEST initialization parameter.。 The Enterprise Manager Support Workbench can be enabled only if the background process manage ability monitor （MMON） is configured.。 Select the Enable option in the Oracle Configuration Manager Registration window during the installation of the Oracle Database 11g software， provide valid MetaLink credentials and select license agreement.。
You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?（）
