本教程介绍了 Enterprise JavaBean 技术，特别关注于在分布式计算方案中 Enterprise JavaBean 组件的角色、体系结构、扩展 API 以及使用 EJB 技术的基本知识。-version of Enterprise JavaBean technology, Of special concern to the distributed computing program Enterprise JavaBean role Architecture, extending EJB API and the use of the basic technical knowledge.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.010986s ]
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:0.083066s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001069s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001143s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001026s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003168s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000921s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003718s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015749s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001149s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 45558 [ RunTime:0.016437s ]
