Write a query to print all prime numbers less than or equal to 1000. Print your result on a single line, and use the ampersand (&) character as your separator (instead of a space). For...
A gene string can be represented by an 8-character long string, with choices from ‘A’, ‘C’, ‘G’, and ‘T’. Suppose we need to investigate a mutation from a gene string start to a gene string end where one mutation is defined as...
Query the difference between the maximum and minimum populations in CITY. Input Format The CITY table is described as follows: ———-SOLUTION———- SELECT (MAX(population) – MIN(population)) FROM city;
Query the sum of the populations for all Japanese cities in CITY. The COUNTRYCODE for Japan is JPN. Input Format The CITY table is described as follows: ———-SOLUTION———- SELECT SUM(population) FROM city WHERE countrycode = ‘JPN’;
Query the average population for all cities in CITY, rounded down to the nearest integer. Input Format The CITY table is described as follows: ———-SOLUTION———- SELECT ROUND(AVG(population)) FROM city;
Query the average population of all cities in CITY where District is California. Input Format The CITY table is described as follows: ———-SOLUTION———- SELECT AVG(population) FROM city WHERE district = ‘California’;
Query the total population of all cities in CITY where District is California. Input Format The CITY table is described as follows: ———-SOLUTION———- SELECT SUM(population) FROM city WHERE district = ‘California’;
Query a count of the number of cities in CITY having a Population larger than 100000. Input Format The CITY table is described as follows: SELECT COUNT(name) FROM city WHERE population > 100000
In this post, I will guide you through how to write an airflow scheduler for a practical use case. Overview Airflow is simply a tool for us to programmatically schedule and monitor our workflows....
Given an array of integers, calculate the ratios of its elements that are positive, negative, and zero. Print the decimal value of each fraction on a new line with 6 places after the decimal. Note: This challenge...
Follow:
