selenium web driver using java query

1. How to check the value of the drop down in selenium across value in table. For ex, Country drop down has country id, Country name it gets value from county table similarly state drop down contain state name and state id from state table. The value of state gets populated depends on the country which we specify. How to write code for checking that drop down value and database values are matched.

2. In testng,how to find the passed and failed test cases while execution of test cases itself.