In user-managed backup and recover procedures， how are data files backed up？ （）
A: Using SQL commands.
B: Using SQL*Plus commands.
C: Using operating system commands.
D: Using Recover Manager commands.
A: Using SQL commands.
B: Using SQL*Plus commands.
C: Using operating system commands.
D: Using Recover Manager commands.
举一反三
- Identify the channel settings that can be performed using the CONFIGURE CHANNEL or ALLOCATE CHANNEL commands in RMAN ？（） A: Limiting the input/output （I/O） bandwidth consumption B: Specifying the size of backup sets and backup pieces C: Specifying vendor-specific information for a media manager D: Specifying the parallelism for backup and restore operations
- 使用SQL数据库需要引入命名空间（ ）。 A: using System B: using System.Data.OleDb C: System.Data.SqlClient D: using System.Data
- 词汇与结构The system can operate independently without interfering with pilot ________ rudder commands.
- If a teacher gives commands in English and asks students to show understanding by action_______or gestures, he/she is most probably using A: Communicative Approach B: Audio-Lingual Approach C: Grammar Translation Method D: Total Physical Response
- 要恢复一个丢失的数据文件,而归档重做日志文件已经损坏,DBA应该执行的命令是( )。 A: RECOVER DATABASE UNTIL CANCEL; B: RECOVER TABLESPACE system UNTIL CANCEL; C: RECOVER DATABASE UNTIL MISSING REDOLOG; D: RECOVER DATABASE USING BACKUP CONTROLFILE;