Delphi 7 从入门到精通随书源码，写的比较浅显易懂，不过是英文版的，相信对你会有帮助。-Delphi 7 from entry to the source proficient with the book, written in relatively simple words, but is the English version, and I believe that will be helpful to you.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001713s ]
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:0.108639s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001724s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002170s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001576s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005585s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001428s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003558s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.017132s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001577s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 307651 [ RunTime:0.008969s ]
