PB中文参考书。对于利用PB的进行数据库前端开发的程序员，有很好的参考价值。其中包含PB的各种控件与函数的详细介绍。-PB Chinese reference books. The use of PB database front-end development programmers, a good reference value. PB contains the controls and functions in detail.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001296s ]
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:0.095134s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001237s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001938s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001369s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003742s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001061s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003652s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017844s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001535s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 318818 [ RunTime:0.001565s ]
