Assume you have a table in your database called World' with the following schema:Table: world| Column Name | Type+-| varchar || varchar || int| int| int| name| continent|area|I populationI gdp|+--name is the primary key column for this table.Each row of this table gives information about the name of a country, thecontinent to which it belongs, its area, the population, and its GDP value.It contains the following records of data:Input:World table:+--| name| continent | areaI population | gdp+--| Afghanistan | Asia| Albania| Algeria| Andorra| Angola| 652230| 28748| 2381741 | 37100000| 468| 1246700 | 20609294| 20343000000| 12960000000| 188681000000 || 3712000000| 100990000000 || 25500100| 2831741| Europe| Africa| Europe| Africa| 78115+-Write an SQL query to report the name, population, and area of the big countries.Return the result table in any order.A country is big if:it has an area of at least three million (i.e., 3000000 km2), or• it has a population of at least twenty-five million (i.e., 25000000).The results should be:Output:+-| nameI population | area+--| Afghanistan | 25500100| Algeria| 652230| 2381741 || 37100000+-- +

logic:- here we have to apply two condition. I.e (i)area>=3000000 (II) population>=25000000…

Write an SQL query to report the name, population, and area of the big countries. Return the result table in any order. A country is big if: • it has an area of at least three million (i.e., 3000000 km2), or it has a population of at least twenty-five million (i.e., 25000000).

Write an SQL query to report the name, population, and area of the big countries. Return the result table in any order. A country is big if: • it has an area of at least three million (i.e., 3000000 km2), or it has a population of at least twenty-five million (i.e., 25000000).

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Assume you have a table in your database called World' with the following schema:
Table: world
| Column Name | Type
+-
| varchar |
| varchar |
| int
| int
| int
| name
| continent
|area
|
I population
I gdp
|
+--
name is the primary key column for this table.
Each row of this table gives information about the name of a country, the
continent to which it belongs, its area, the population, and its GDP value.
It contains the following records of data:
Input:
World table:
+--
| name
| continent | area
I population | gdp
+--
| Afghanistan | Asia
| Albania
| Algeria
| Andorra
| Angola
| 652230
| 28748
| 2381741 | 37100000
| 468
| 1246700 | 20609294
| 20343000000
| 12960000000
| 188681000000 |
| 3712000000
| 100990000000 |
| 25500100
| 2831741
| Europe
| Africa
| Europe
| Africa
| 78115
+-
Write an SQL query to report the name, population, and area of the big countries.
Return the result table in any order.
A country is big if:
it has an area of at least three million (i.e., 3000000 km2), or
• it has a population of at least twenty-five million (i.e., 25000000).
The results should be:
Output:
+-
| name
I population | area
+--
| Afghanistan | 25500100
| Algeria
| 652230
| 2381741 |
| 37100000
+-
- +

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