$4.$Write an SQL query for each of the following:a$.$Fetch unique values of DEPARTMENT from the Worker table.b$.$Print all Worker details from the Worker table order by FIRST$\_$NAME Ascending and DEPARTMENT Descending.c$.$Show the country name and its area with an area between $200,000$ and $250,000$ from World table.d$.$Select the columns title, rating, and year$\_$released from the table Movies showing only movies that were released before $2001$ and had a rating above $9.$e$.$Show the language and number of movies per each language from table Movies.f$.$Show the year released, the language and count of movies sorted by the release date in ascending order from table Movies.g$.$Show the languages and the average movie budget by language category showing only the languages with an average budget above $$50$ million from table Movies.