Merge pull request #1 from o0TT0o/master

qtin
Merge pull request #2 from o0TT0o/master

从‘为知笔记’转移
Merge pull request #3 from o0TT0o/master

更新Chapter8-optimization.txt
del test character
Merge branch 'master' of https://github.com/xezw211/mysql_translate

Conflicts:
	chapter8/Chapter8-optimization.txt
Merge pull request #2 from xezw211/master

Normal Update