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エンタープライズ NoSQL/HBase プラットフォーム – MapR M7 エディション - db tech showcase 大阪 2014 2014/06/19
- 13. ®
© MapR Technologies
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Benchmark:'File'creates'(100B)'
Hardware:'10'nodes,'2'x'4'cores,'24'GB'
RAM,'12'x'1'TB'7200'RPM'
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Rate'(creates/s)' 14T16K' 335T360' 40x%
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- 30. © MapR Technologies
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•
SELECT cf1.month, cf1.year, FROM hbase.table1!
• !
!SELECT!
!c.name, c.address, COUNT(c.children) !
!FROM!
! !SELECT!
! ! !CONVERT_FROM(cf1.user-json-blob, JSON) AS c!
FROM!
!hbase.table1!
- 31. © MapR Technologies
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SELECT table_name, table_type FROM
information_schema.tables WHERE
table_schema=‘MyDatabase’ ORDER BY table_name
DESC'
•
• SELECT, GROUP BY, ORDER BY, LIMIT, JOIN,
HAVING, UNION, UNION ALL,WITH, IN,
EXISTS,DISTINCT, BETWEEN
•
•
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– CREATE DATABASE, CREATE TABLE/VIEW AS SELET,
INSERT INTO!