Oracle10G系列讲座第2部，主要讲述SQL语法,可以单独阅读这部分，但是有体系结构(第一部)的基础则更好-Oracle10g Lecture Series No. 2, mainly on the SQL grammar, you can read this part alone, but have architecture (the first) is the basis for better
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001722s ]
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:0.087169s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001428s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003614s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000947s ]
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SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.027479s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001744s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 125401 [ RunTime:0.021852s ]
