在数据备份时,如果使用()参数备份了所有的数据库,那么还原时不需要指定数据库 A: -databases B: -all C: -T D: --all-databases

可以将一个或多个数据库备份到一个文件中的命令是（ ）。 A: .mysqldump … database_name … B: mysqldump … --databases … C: mysqldump … --all-databases … D: mysqldump … databases …

mysqldump备份数据库时，可使用什么选项指定要备份数据库（） A: -databases B: -B C: -all-databases D: -b

在使用mysqldump进行mysql数据库备份时，可使用选项（）选项指定备份数据库。 A: -databases B: -B C: -all-databases D: -b

The RVPC user can do which of the following？（） A: Register databases if granted the register database privilege B: See all databases in the recovery-catalog schema C: See all database-related metadata in the recovery catalog if they are granted access to that database D: Unregister databases from the RVPC catalog that were not granted to the RVPC catalog owner with the grant command E: Not be connected to with the RMAN command-line catalog parameter for backup or recovery purpose

The RVPC user can do which of the following？（） A:  Register databases if granted the register database privilege B:  See all databases in the recovery-catalog schema C:  See all database-related metadata in the recovery catalog if they are granted access to that database D:  Unregister databases from the RVPC catalog that were not granted to the RVPC catalog owner with  the grant command E:  Not be connected to with the RMAN command-line catalog parameter for backup or recovery purposes

The RVPC user can do which of the following？（） A: A Register databases if granted the register database privilege B: B See all databases in the recovery-catalog schema C: C See all database-related metadata in the recovery catalog if they are granted access to that database D: D Unregister databases from the RVPC catalog that were not granted to the RVPC catalog owner with the grant command E: E Not be connected to with the RMAN command-line catalog parameter for backup or recovery purposes

在MySQL中，显示所有数据库的语句是（）。 A: SHOW DATABASES B: LIST DATABASES C: SELECT DATABASES D: DISP DATABASES

显示Mysql服务器内所有数据库名称的命令是()。 A: show database; B: show databases; C: select databases; D: select databases();

创建数据库03zhangsan的命令是 A: create databases 03zhangsan; B: create databases 03zhangsan C: create database 03zhangsan; D: create databases 03zhangsan