Network Tools
In this exercise, you will make use of common network tools. For each part below, capture the appropriate program output and include it with your answers to the questions.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001366s ]
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:0.090858s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001387s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001961s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001309s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004595s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001365s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003279s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014937s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001381s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 482570 [ RunTime:0.001517s ]
