SQLite的锁的原理:

SQLite的锁的原理:

http://www.cnblogs.com/huozhong/p/5973938.html

http://www.sqlite.org/lockingv3.html

http://www.cnblogs.com/wangmars/p/4530670.html

http://blog.csdn.net/u010205141/article/details/44182461

https://stackoverflow.com/questions/6675240/is-sqlite-database-instance-thread-safe

http://droidyue.com/blog/2015/12/13/android-sqlite-tuning/#