あなたの問題はここにありますCREATE TABLE SQL COMMAND
+ KEY_ID + " INTEGER PRIMARY KEY, " + KEY_REKORDAI + " TEXT," + " ) ";// remove semi column after TEXT
正しいCREATE TABLE SQL COMMAND
以下で
String CREATE_REKORDAI_TABLE = "CREATE TABLE " + TABLE_REKORDAI + " ( "
+ KEY_ID + " INTEGER PRIMARY KEY, " + KEY_REKORDAI + " TEXT" + " ) ";