VHDL数字系统设计工程实践,包含实验的原理,真值表和结构图描述,以及相关的VHDL代码。-VHDL digital system design engineering practice, including the principle of the experiment, truth table and chart descriptions, and associated VHDL code.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001291s ]
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:0.094839s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001313s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001922s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001341s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003982s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001239s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003286s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015820s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001447s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 173393 [ RunTime:0.001471s ]