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Introduction to SQL

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Limiting Results

We know that the SELECT operator can retrieve all rows from a table of all or the specific columns. However, what if we only need to fetch a specific number of rows?

We can do it using the LIMIT clause. It is always used at the end of the query. Here is the syntax for it:

sql

In the example below, we extract the first 7 rows (in our case, the capitals of the countries) from the column:


              
123

            
SELECT capital 
FROM country 
LIMIT 7;
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Task

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Write an SQL query to retrieve 3 distinct continent values from the country table.

Solution

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SectionΒ 1. ChapterΒ 5

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book
Limiting Results

We know that the SELECT operator can retrieve all rows from a table of all or the specific columns. However, what if we only need to fetch a specific number of rows?

We can do it using the LIMIT clause. It is always used at the end of the query. Here is the syntax for it:

sql

In the example below, we extract the first 7 rows (in our case, the capitals of the countries) from the column:


              
123

            
SELECT capital 
FROM country 
LIMIT 7;
copy
Task

Swipe to start coding

Write an SQL query to retrieve 3 distinct continent values from the country table.

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 5
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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