UNIX环境高级编程。使用LINUX或者UNIX的朋友不可错过。讲解了很多基础知识，全面。-UNIX high-level programming environment. LINUX or UNIX using friends can not afford to miss. Explain a lot of basic knowledge and comprehensive.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001271s ]
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:0.101965s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001142s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001259s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003575s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001062s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003192s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014611s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001705s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 204737 [ RunTime:0.002049s ]
