DB_HELPER,是本人编写的一个学习database的小工具，适合于初学database的人作为入门参考。java语言编写-DB_HELPER, I prepared a database of small learning tool suitable for the novice database as a reference portal. Java language
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002233s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.117197s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.003084s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003237s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.003613s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005530s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.003837s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005626s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018441s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.003283s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 46109 [ RunTime:0.001566s ]
