java数据库操作，用java作为前台工具，与access数据库建立联系，进行数据库操作。-java database operations, using java as a front tool to establish contact with the access database, carry out database operations.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001300s ]
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:0.087142s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001255s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001889s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001233s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003650s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001059s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003219s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014680s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001265s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 46486 [ RunTime:0.001475s ]
