You are managing an Oracle Database 11g database with the following backup strategy: 1.On Sunday, an incremental level 0 tape backup is performed. 2.Monday through Saturday, acumulativeincremental level 1 tape backup is performed. Which two statements are true regarding the backups performed() The backup performed in step 1 backs up all blocks that have ever been in use in the database. 。 The backup performed in step 2 copies all the blocks changed since the most recent level 0 backup.。 The backup performed in step 1 backs up all the blocks changed since the most recent level 1 backup.。 The backup performed in step 2 backs up all blocks that have changed since the most recent incremental backup at level 1.。
微机主板上装有() CPU。 内存。 光驱。 硬盘。
现代学前教育原理告诉我们,学前儿童的基本活动形式是() 学习。 自我服务性劳动。 游戏。 作业。
下列选项不属于《水利建设市场主体信用评价暂行办法》目的的是()。 推进水利行业信用体系建设。 规范水利建设市场主体行为。 加强行业自律管理。 促进水利事业又好又快发展。
Which two statements are true regarding Health Monitor checks in Oracle Database 11g?() Health Monitor checks can be used to scan the contents of the redo log and archive logs for accessibility and corruption.。 Health Monitor checks can be used to verify the integrity of database files and report failures if these files are inaccessible,corrupt or inconsistent.。 Health Monitor checks can be used to verify the contents of dictionary entries for each dictionary object and fix it automatically.。 Health Monitor checks are always initiated manually when there is some critical error.。
水泥砂浆防水层的施工质量检验数量,应按施工面积每()抽查一处,每处10m2,且不得小于3处。