Your Oracle Database 10g is online when you execute the following statement: SQL>ALTER TABLESPACE MY_TABLESPACE FLASHBACK OFF; What is the result of executing this statement if the Flashback Database feature is already enabled in the database?() The database does not record flashback logs for MY_TABLESPACE。 The tables residing in MY_TABLESPACE are not protected by the Recycle Bin.。 All the tablespaces except MY_TABLESPACE can be recovered using Flashback Database feature.。 None of the flashback technologies, such as Flashback Table, Flashback Transaction Query and Flashback Version Query can be used to recover individual rows within the objects from MY_TABLESPACE。
其他中型水库和影响县城安全或坝高()m以上小型水库的大坝安全评价由具有水利水电勘测设计乙级以上(含乙级)资质的单位承担。 10。 20。 30。 40。
Identify two situations in which the block header grows in a data block. () when row directories need more row entries。 when there is row migration in the data block。 when there is an increase in the PCTFREE value for the data block。 when more transaction slots are required than are initially configured。
土质路堤填筑时,涵顶面填土压实厚度大于()时,方可允许重型机械和汽车通行。 20cm。 30cm。 40cm。 50cm。
李某,20岁。在脑复苏的过程中,提示患者意识即将恢复的表现是() 瞳孔缩小。 对光反射出现。 眼球活动。 痛觉出现。 听觉恢复。
儿童游戏中,角色扮演的发生、发展过程所遵循的途径是()