更多"You are performing two sums, the fi"的相关试题:
[单项选择]You are performing two sums: the first is a sum of two scalar variables and the second is a matrix sum of a pair of two- dimensional arrays-size 1000 by 1000. What speedup is achieved when the calculations are performed on size 1000 processors
A. 50
B. 100
C. 999
D. none of the above
[单项选择]When you hear two shouts or two whistles, you know that ______.
[单项选择]You two haven’t done anything at all. You _____ be tired.
A. shall not
B. should not
C. can’t
D. must not
[单项选择]You two have got a lot______.
A. in general
B. in common
C. in all
D. in any case
[单项选择]I don' t think you two know each other, __________
[单项选择]You have failed two tests. You'd better start working harder, ______ you won't pass the course.
A. and
B. but
C. or
D. so
[单项选择]You have failed two tests. You'd better start working harder, （）you won't pass the course。
A. and
B. but
C. or
D. so
[单项选择]Two hundred dollars ______ a large sum of money to the old man.
A. is
B. is to be
C. are
D. are to be
[单项选择]You create two resource plans, one for data warehouse loading jobs at night and the other for application jobs at day time. You want the resource plans to activate automatically so that the resource allocation is optimum as desired by the activity.How would you achieve this?（）
A. Implement job classes
B. Implement Scheduler windows
C. Implement the mapping rule for the consumer groups
D. Set the SWITCH_TIME resource plan directive for both the resource plans
[单项选择] Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors: ORA-00313: open failed for members of log group 1 of thread 1 ORA-00312: online log 1 thread 1: 'D:/REDO01.LOG' You discover that the online redo log file of the current redo group is corrupted. Which statement should you use to resolve this issue?（）
A. ALTER DATABASE DROP LOGFILE GROUP 1;
B. ALTER DATABASE CLEAR LOGFILE GROUP 1;
C. ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;
D. ALTER DATABASE DROP LOGFILE MEMBER 'D:/REDO01.LOG
