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SQL ORDER BY LIMIT

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SQL ORDER BY LIMIT

We can retrieve limited rows from the database. I can be used in pagination where are forced to show only limited records like 10, 50, 100 etc.

LIMIT CLAUSE FOR ORACLE SQL:

If you want to use LIMIT clause with SQL, you have to use ROWNUM queries because it is used after result are selected.

You should use the following code:

SELECT name, age
FROM 
(SELECT name, age, ROWNUM r
FROM 
(SELECT name, age, FROM employee_data
ORDER BY age DESC
)
WHERE ROWNUM <=40
)
WHERE r >= 21;

This query will give you 21th to 40th rows.





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