索引顺序表查找,索引顺序查找即分块查找，是将顺序表分成诺干块。-Indexed sequential table lookup, the index in order to find that the search block is to the order of the table is divided into Nokan blocks.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001138s ]
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:0.085215s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001118s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001819s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001129s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003498s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001362s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003542s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015020s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001242s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 257387 [ RunTime:0.001409s ]
