A recorder that measures vector accelerations and time on seconds interval. The recorded data is stored into a .txt file with 4 columns: time, acceleration x, acceleration y, and acceleration z.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002140s ]
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SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002333s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002247s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001980s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015863s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002450s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 229642 [ RunTime:0.001160s ]
