此为编译原理的实验,与大学生本科生的教学内容相近,十分有用-to compile this principle experiments, the number of undergraduate students and teaching contents are similar, very useful! !
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002276s ]
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:0.164621s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001014s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001256s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001423s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003564s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000890s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003825s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015292s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001337s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 286352 [ RunTime:0.041037s ]
