Additional Information:
1. my communication in community:
http://db.markmail.org/search/?q=Interested+in+GSOC.
2. my existing work on JIRA:
DERBY-3991 https://issues.apache.org/jira/browse/DERBY-3991,
DERBY-3853https://issues.apache.org/jira/browse/DERBY-3853,
DERBY-2769 https://issues.apache.org/jira/browse/DERBY-2769,
DERBY-3941https://issues.apache.org/jira/browse/DERBY-3941
DERBY-4134https://issues.apache.org/jira/browse/DERBY-4134
This list above may increase when you see it. To get real-time information, you can visit the link (https://issues.apache.org/jira/secure/IssueNavigator.jspa, to browse issues assigned to me; my user name on JIRA is ‘yunlee’.