access使用一段时间后文件会逐渐的变大,压缩后减少文件碎片,提供查询速度-access used for a period of time after the paper will gradually become bigger, compressed to reduce paper debris, inquiry speed
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.000984s ]
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:0.083066s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000974s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001055s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000910s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002999s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000797s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003388s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018459s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001406s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 140454 [ RunTime:0.013260s ]
