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Learn Challenge: Find All Countries With Their IDs | Retrieving Data
Introduction to SQL

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Challenge: Find All Countries With Their IDs

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Definition

In most databases, the id column acts as a unique identifier, often referred to as a primary key, for each record. By selecting both the id and name columns, you can view the unique identifier linked to each country. This is crucial for associating records or when you need to reference specific entries in the database.

Task

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Write an SQL query to get all the country name values and their id values.

Solution

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SectionΒ 1. ChapterΒ 8

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book
Challenge: Find All Countries With Their IDs

Note
Definition

In most databases, the id column acts as a unique identifier, often referred to as a primary key, for each record. By selecting both the id and name columns, you can view the unique identifier linked to each country. This is crucial for associating records or when you need to reference specific entries in the database.

Task

Swipe to start coding

Write an SQL query to get all the country name values and their id values.

Solution

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

SectionΒ 1. ChapterΒ 8
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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