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HackerRank SQL | Revising the Select Query I | codewitharyan

Problem Statement

Query all columns for all American cities in the CITY table with populations larger than 100000. The CountryCode for America is USA.

Video Solution:





APPROACH

1. First select all the column
2. Then use two condition
a) POPULATION > 100000
b) COUNTRYCODE="USA"



MYSQL QUERY


select * from city
where POPULATION > 100000 and  COUNTRYCODE="USA" ;

Explanation


1. select * from city : It is used to select all the
column from the table city.


2. where : It is used to describe conditions





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Revising the Select Query II | Hackerrank SQL Solution | MYSQL

  Problem Statement Query the  NAME  field for all American cities in the  CITY  table with populations larger than  120000 . The  CountryCode  for America is  USA . The   CITY   table is described as follows: .                                            Video Solution: APPROACH 1. First select name column 2. Then use two condition a) POPULATION > 120000 b) COUNTRYCODE="USA" MYSQL QUERY select name from city where POPULATION > 120000 and  COUNTRYCODE= "USA" ; Explanation 1. select name from city : It is used to select all the column from the table city. 2. where : It is used to describe conditions Thank You For Visiting...💖💖💖