线性表的使用
如何建立线性表，同时进行线性表的删除，插入，查询等操作。-linear table how to establish the use of the linear scale, while the linear scale deletion, insertion and search operation.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001332s ]
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:0.091043s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001365s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001995s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001280s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003825s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001207s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003491s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014868s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001375s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 154835 [ RunTime:0.001347s ]
