成绩等级,求最小数,从0-100中找两个数，使其和与差为平方数,求1-50整除3的数,购书优惠-Performance rating, and the smallest number from 0-100 in the two to find a few to make it worse for the square and the number divisible by 3 for a number of 1-50, book discount
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001305s ]
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SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.356731s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.042906s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.010672s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.029110s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.007979s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 145356 [ RunTime:0.043656s ]
