使用SQLite的关键字默认

Use the SQLite keyword default

db.execSQL("CREATE TABLE " + DATABASE_TABLE + " (" 
    + KEY_ROWID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
    + KEY_NAME + " TEXT NOT NULL, "
    + KEY_WORKED + " INTEGER, "
    + KEY_NOTE + " INTEGER DEFAULT 0);");

这个链接是非常有用的：http://www.sqlite.org/lang_createtable.html

This link is useful: http://www.sqlite.org/lang_createtable.html