第1题:
已知一张表student存储在HBase中,向表中插入一条记录{id:2015001,name:Mary,{score:math}:88},其id作为行键,其中,在插入数学成绩88分时,正确的命令是
A.put 'student','2015001','score:math','88'
B.put 'student','2015001','88'
C.put 'student','2015001','math','88'
D.put 'student','score:math','88'
第2题:
已知表student存储在HBase中,向表中插入记录{id:2015001,name:Mary,{score:math}:88},其id作为行键,其中,在插入数学成绩88分时,正确的命令是()。
A.put 'student','2015001','88'
B.put 'student','2015001','score:math','88'
C.put 'student','2015001','math','88'
D.put 'student','score:math','88'
第3题:
某学生的期末考试各科成绩分别为:91, 88, 93, 82, 76, 86, 88, 88, 83, 70, 88, 90。分别计算其平均值、中位数、方差、极差:
A.85.2,88,43.7,23
B.75.2,88,83.7,23
C.65.2,88,53.7,23
D.95.2,88,13.7,23
第4题:
钢琴的键盘是由88个琴键组成,其中白键52个,黑键36个。
第5题:
10、已知一张表student存储在HBase中,向表中插入一条记录{id:2015001,name:Mary,{score:math}:88},其id作为行键,其中,在插入数学成绩88分时,正确的命令是:
A.put 'student','2015001','score:math','88'
B.put 'student','2015001','88'
C.put 'student','2015001','math','88'
D.put 'student','score:math','88'