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  1. Practice
  2. SQL
  3. Aggregation
  4. Japan Population
  5. Discussions

Japan Population

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votes

  • marinskiy + 0 comments

    Here is Oracle solution from my HackerrankPractice repository:

    SELECT SUM(Population)
FROM City
WHERE CountryCode = 'JPN';

    Feel free to ask if you have any questions :)

  • pedrokarneiro + 0 comments
    /*
This solution works for any of the RDBMSs:
DB2, Oracle, mySQL, SQL Server.
*/
SELECT SUM(population)
FROM city
WHERE countrycode = 'JPN';

  • sanjay_dev + 0 comments
    SELECT SUM(POPULATION) FROM CITY  WHERE COUNTRYCODE ='JPN';

    IT WILL WORK FINE

  • javiereli_padron + 0 comments

    MYSQL

    Select SUM(population) from city where COUNTRYCODE = "JPN"

  • LR
    lahari884 + 0 comments

    select sum(population) from city where countrycode='JPN'

  • vijayasrisriniv1 + 0 comments

    SOLUTION IN MYSQL...

    select sum(population) from city where countrycode= 'JPN';

  • TT
    nguyentuan1990 + 1 comment

    MySQL

    SELECT SUM(population) FROM CITY GROUP BY countrycode HAVING countrycode = 'jpn'

    • thy_anmol + 0 comments

      this is not working. But why ?

  • VP
    Vishal_Patel + 0 comments

    Select Sum(Population) From City Where CountryCode = 'JPN';

  • rshaghoulian + 0 comments

    MySQL solution

    From my HackerRank solutions.

    SELECT SUM(POPULATION) FROM CITY
WHERE COUNTRYCODE = 'JPN';

    Let me know if you have any questions.

  • jabongg + 1 comment
    SELECT SUM(population) FROM city
WHERE countrycode = 'JPN';
    • DC
      danielgcwik + 0 comments

      I did that too in oracle.

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