Oracle体系结构,是学习ORACLE的必修课,也是学习ORACLE前的基础课,虽然理论不好理解,但是对于深入掌握ORACLE大有好处-Oracle architecture, is a compulsory course to learn ORACLE, ORACLE before learning basic course, while not understanding the theory, but a lot of good grasp ORACLE
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001010s ]
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:0.125307s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000879s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001137s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000895s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003100s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000836s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003958s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016522s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001183s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 102422 [ RunTime:0.015479s ]