SQL Server 2000是Microsoft公司最新推出的大型数据库管理系统，它建立在成熟而强大的关系模型基础上，可以很好地支持客户机/服务器网络模式，能够满足各种类型的企事业单位对构建网络数据库的需求，并且在易用性、可扩展性、可靠性以及数据仓库等方面确立了世界领先的地位，是目前各级各类学校学习大型数据库管理系统的首选教材。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001396s ]
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:0.070167s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001009s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001186s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000877s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003386s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000898s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003861s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015353s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001263s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 519802 [ RunTime:0.015666s ]
