DDR走先得详细规则及注意事项，考虑的等长走线，数据线与地址线、控制线长度关系-DDR walking detailed rules and precautions come to consider the alignment of equal length, the data line and address lines, control lines the length of the relationship between
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001279s ]
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:0.088219s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001291s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001890s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001240s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003630s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001117s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003195s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015186s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001444s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 259762 [ RunTime:0.001282s ]
