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bbrumm on 02/10/17

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Oracle

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Last Edited at 02/10/17 06:38am

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Oracle AVG Function

/ Published in: SQL

A few examples of the AVG function.

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--AVG Function
 
SELECT * FROM student;
 
--Example 1
SELECT AVG(fees_paid) AS avg_fees_paid
FROM student;
 
--Example 2
SELECT TO_DATE(ROUND(AVG(TO_NUMBER(TO_CHAR(enrolment_date, 'J')))), 'J') AS avg_date
FROM student;
 
 
--Example 3
SELECT gender, AVG(fees_paid) AS avg_fees_paid
FROM student
GROUP BY gender;
 
 
--Example 4
SELECT gender, AVG(fees_paid) AS avg_fees_paid
FROM student
GROUP BY gender
HAVING AVG(fees_paid) > 200;
 
 
--Example 5
SELECT TO_CHAR(enrolment_date, 'MON') AS ENROLMENT_MONTH,
AVG(fees_paid) AS avg_fees_paid
FROM student
GROUP BY TO_CHAR(enrolment_date, 'MON');