There is a problem with one of the disks used for your database and your system administrator informs you that the disk needs to be replaced. The replacement disk will not be available until tomorrow. There was only one data file on this disk； it belongs to the USERS tablespace in your PROD database. Your PROD database runs in ARCHIVELOG mode and nightly online backups are taken. The users need to be able to access the data in the USERS tablespace before the replacement disk arrives. You have already taken the USERS tablespace offline and have restored the data file from last night’s backup to a new disk. Which additional steps are required in order to make the USERS tablespace available？（） Only bring the tablespace back online.。 Only recover the tablespace and then bring the tablespace back online.。 Shut down the database， recover the data file and then start up the database.。 Issue the ALTER DATABASE RENAME FILE command， recover the tablespace， and then bring the tablespace online.。 Recover the tablespace， issue the ALTER DATABASE RENAME FILE command， and then bring the tablespace online.。
常用天然气脱水方法有哪几种？
下列玻璃品种中，属于装饰玻璃的有（）。 釉面玻璃。 夹丝玻璃。 刻花玻璃。 冰花玻璃。 Low-E玻璃。
抗生素
简述超链接的组成、访问文件方式、内部链接和外部链接。
下列哪项药理作用是阿托品的作用（）
