-- Q-3. Write An SQL Query To Fetch Unique Values Of DEPARTMENT From Worker Table. SELECT DISTINCT DEPARTMENT FROM WORKER -- Q-4. Write An SQL Query To Print The First Three Characters Of FIRST_NAME ...

Query all columns for all American cities in the CITY table with populations larger than 100000. The CountryCode for America is USA. select * from city where countrycode='usa' and population > 100000; ...