某书的索书号是I247.57£¯88,其中的“88”是指()
某书的索书号是I247.57£¯88,其中的“88”是指()
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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'
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'
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'
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.85.2,88,43.7,23B.75.2,88,83.7,23C.65.2,88,53.7,23D.95.2,88,13.7,23