Some study guides I wrote. Currently, a Java ME study guides (in portuguese and english) and a Java Web+JPA introductory course (in portuguese) are available. They are licensed on a GPL-compatible creative commons license
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001475s ]
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:0.079674s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001010s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001098s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000905s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003198s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000760s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003875s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014627s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001151s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 97332 [ RunTime:0.027213s ]