In which of the following scenarios is a tablespace recovery required？（） when recovering a lost read-only tablespace from a read-only tablespace backup。 when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in ARCHIVELOG mode。 when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in NOARCHIVELOG mode and the changes in the online redo log files have been overwritten。 when recovering a lost read-only tablespace from a read-only tablespace backup using the backup of the control file， the control file was created using the ALTER DATABASE BACKUP CONTROLFILE TO TRACE statement， and this statement was issued when the tablespace was read-only。
土地的价格（）。 是地租的资本化。 是由土地的生产成本决定的。 具有个别性。 是土地权益价格。 是由土地的效用决定的。
结合实际谈谈家庭的教育功能。
What is the purpose of the recover command？（） Recover database datafiles from physical disk backup sets.。 Recover required incremental backups from physical disk backup sets.。 Recover required archived redo logs from physical disk backup sets.。 Apply incremental backups to recover the database. 。 Apply archived redo logs to recover the database.。
论述我国的土地基本国策？
When defining a function activity, what is true about the Result Type?（） (Choose two.)
