You work as a database administrator for Certkiller .com. You want to configure database backups to be run automatically. Which tool or utility would you use to achieve this? () The DBMS_JOB package。 The BACKUP_JOB package。 The DBMS_BACKUP_RESTORE package。 The calendar tool in the Operating System (OS)。 The backup scheduler in Enterprise Manager (EM)。 The DBMS_BACKUP_SCHEDULER packager inline mode。
固体表面的湿润性与湿润角
抗战爆发后,奔赴延安的著名作家,除丁玲、萧军、艾青、田间外,还有() 孙犁。 何其芳。 曹禺。 赵树理。
脱丁烷塔丁烷产品中C3含量偏高可能是() 脱丁烷塔底至沸温度高。 脱丁烷塔顶回流小。 脱丙烷塔底再沸温度偏低。
Coherence provides the ideal infrastructure for building _____ services, and the ______ applications.() Data Grid; Client and Server based。 Outster; Client and Server based。 Data Grid;DNS based。 Cloud cluster;Client and Server based。
Which two chart base types can you select using the Chart Wizard?()