非常常用的几个SQL语言,连接数据库的操作java中JDBC技术经常要用到-several very common SQL language, connecting to the database which operate java JDBC regular use of the technology
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002133s ]
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:0.087554s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002569s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002188s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002325s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003703s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002077s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003452s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014695s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002526s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 49322 [ RunTime:0.001157s ]
