【判断题】要减少铁心的磁滞损耗,则铁心应用硬磁材料组成。
【单选题】Which of the following crystal system has lattice parameters of a=b¹c; a=b=90°, g=120°?
【多选题】You set the value of the SGA_TARGET initialization parameter to 1G to enable Oracle to automatically resize most of the memory components according to the current workload in the database. You issue t...
A.
The SGA_TARGET initialization parameter cannot be set to a value less than 1G
B.
The SGA_TARGET initialization parameter cannot be set to a value greater than 1G
C.
The Memory Advisor of the Oracle Enterprise Manager 10g cannot be used to obtain advice on the important memory components of the SGA
D.
The values of the DB_CACHE_SIZE, SHARED_POOL_SIZE, LARGE_POOL_SIZE, and JAVA_POOL_SIZE initialization parameters cannot be set manually.
E.
No minimum limits are imposed on the DB_CACHE_SIZE, SHARED_POOL_SIZE, LARGE_POOL_SIZE, and JAVA_POOL_SIZE initialization parameters.
F.
The Automatic Shared Memory Management feature cannot be disabled unless you specify values for the DB_CACHE_SIZE, SHARED_POOL_SIZE, LARGE_POOL_SIZE, and JAVA_POOL_SIZE initialization parameters in the initialization parameter file.
【多选题】Which of the following initialization parameters have been deprecated in Oracle 11g because of the introduction of the Automatic Workload Repository?()
【单选题】You are managing a single instance Oracle 10g database that utilizes the following parameters: Which of the following set of commands must you execute to enable Flashback Database?()
A.
STARTUP MOUNT EXCLUSIVE ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN;
B.
STARTUP MOUNT ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN RESETLOGS;
C.
STARTUP MOUNT EXCLUSIVE ATLER DATABASE ARCHIVELOG; ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN RESETLOGS;
D.
STARTUP MOUNT ALTER DATABASE ARCHIVELOG; ALTER DATABASE FLASHBACK ON; ALTER DATABASE OPEN;
【单选题】Which of the following crystal system has lattice parameters of a=b¹c; a=b=90oC, g=120oC?