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简述项目责任担当体的组成?

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中速柴油机的曲轴转速是多少?

You executed the following command to perform a backup of the USERS tablespace: SQL> ALTER TABLESPACE users BEGIN BACKUP; ALTER TABLESPACE users BEGIN BACKUP * ERROR at line 1: ORA-01123: cannot start online backup; media recovery not enabled What could be the reason for this error()

A. The MTTR Advisor is disabled.
B. The database is in NOARCHIVELOG mode.
C. The tablespace is already in backup mode.
D. The Flash Recovery Area is not configured.

怎样判断过载停机和欠载停机?

下列几种滤网中,精度最高的滤网是()

A. 40目滤网
B. 60目滤网
C. 80目滤网
D. 100目滤网

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