Query OK, 24918 rows affected (0.90 sec)
Records: 24918 Duplicates: 0 Warnings: 0

Query OK, 24923 rows affected (2.26 sec)
Records: 24923 Duplicates: 0 Warnings: 0

Query OK, 24924 rows affected (2.74 sec)
Records: 24924 Duplicates: 0 Warnings: 0

Query OK, 24920 rows affected (0.94 sec)
Records: 24920 Duplicates: 0 Warnings: 0

Query OK, 24920 rows affected (2.03 sec)
Records: 24920 Duplicates: 0 Warnings: 0

Query OK, 24919 rows affected (1.19 sec)
Records: 24919 Duplicates: 0 Warnings: 0

Query OK, 7671 rows affected (0.67 sec)
Records: 7671 Duplicates: 0 Warnings: 0

导入条记录，时间只需要1.19s，速度很快，原因是什么？

mysql技术内幕

高性能mysql

http://wangqiaowqo.iteye.com/blog/1137589

http://www.cnblogs.com/hustcat/archive/2009/10/28/1591648.html

http://www.2cto.com/database/201201/117456.html

http://www.php100.com/html/webkaifa/database/Mysql/2010/0409/4279.html

http://laozhao.blog.51cto.com/blog/25213/7644

http://blog.csdn.net/turkeyzhou/article/details/8182636

http://blog.csdn.net/fullsail/article/details/8945449

http://he-wen.iteye.com/blog/1244221

http://www.51cto.com/specbook/52/12911.htm

http://opq149766320.iteye.com/blog/561183

http://www.cnblogs.com/rollenholt/articles/2424531.html

'%j%'无法使用索引的原因是不知道查找哪个元素，无法使用b-tree索引。不知道j前面是什么，只能全文扫描，不能查找哪个、哪些元素。

但是'jq%'可以匹配,可以比较key值大小。通过jq比较大小。

http://blog.csdn.net/hguisu/article/details/7786014

http://blog.csdn.net/weege/article/details/6526512

http://www.jb51.net/article/36184.htm介绍B-树和B+树的查找和原理

http://www.cnblogs.com/mailingfeng/archive/2012/09/26/2704344.html