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bbrumm on 03/14/17

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Oracle

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Last Edited at 03/14/17 03:50pm

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Oracle GROUP_ID Function

/ Published in: SQL

A few examples of the GROUP_ID function.

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SELECT * FROM student;
 
SELECT address_state,
TO_CHAR(enrolment_date, 'MON') AS enrolment_month,
SUM(fees_paid)
FROM student
GROUP BY address_state, TO_CHAR(enrolment_date, 'MON');
 
 
SELECT address_state,
TO_CHAR(enrolment_date, 'MON') AS enrolment_month,
SUM(fees_paid),
GROUP_ID()
FROM student
GROUP BY address_state, ROLLUP(address_state, TO_CHAR(enrolment_date, 'MON'))
ORDER BY address_state, TO_CHAR(enrolment_date, 'MON'), GROUP_ID();
 
 
 
SELECT address_state,
TO_CHAR(enrolment_date, 'MON') AS enrolment_month,
SUM(fees_paid),
GROUP_ID()
FROM student
GROUP BY address_state, ROLLUP(address_state, TO_CHAR(enrolment_date, 'MON'))
HAVING GROUP_ID() = 0
ORDER BY address_state, TO_CHAR(enrolment_date, 'MON'), GROUP_ID();