You realize that the control file is damaged in your production database.After restoring the control file from autobackup, what is the next step that you must do to proceed with the database recovery?（） A. Mount the database B. Open the database in NORMAL mode C. Open the database in RESTRICTED mode D. Open the database with the RESETLOGS option

The core of the database system is ____. A: database B: database<br/>application system C: database<br/>management system D: database<br/>administrator

A tabular database ,a distributed database and an object-oriented database are different databases.

The core of the database system is（）. A: Data model B: Database administrator C: Database D: Database management system

删除数据库使用（ ）语句。 A: alter database B: drop database C: delete database D: erase database

删除数据库的命令为（） A: Create database B: use database C: alter database D: drop database

删除数据库的命令是（）。 A: remove database B: drop database C: delete database D: clear database

删除数据库的SQL语句是—— A: DELETE DATABASE B: DROP DATABASE C: REMOVE DATABASE D: DESTROY DATABASE

下面属于数据库修改的命令是。（ ） A: edit database B: modify database C: update database D: alter database

完整备份数据库使用( )命令。 A: A、backup database B: B、alter database C: C、drop database D: D、restored database