索引分为__索引和__索引,一个表只能有一个__索引,但是可以有多个__索引
查看答案
利用T—SQL语句创建表时,正确语句时()
A. DELETE TABLE
B. CREATE TABLE
C. ADD TABLE
DROP TABLE
Linux查看CPU内核数的指令是()
A. cat /proc/cpuinfo |grep pyhsical id number |sort -u |wc –l
B. cat /data/cpuinfo |grep pyhsical id |sort -u |wc –l
C. cat /num/cpuinfo |grep pyhsical id |sort -u |wc –l
D. cat /proc/cpuinfo |grep pyhsical id |sort -u |wc –l