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LAST Function
ORDER BY Clause
GROUP BY Clause
FUNCTION: FIRST
SELECT FIRST(field) AS [expression]
FROM table
[WHERE ...]
[GROUP BY ...]
[ORDER BY ...]
The
FIRST
function is used to return the value of the first record in the designated field Therefore, this function returns a single value. Since the records are returned in an arbitrary order, the first record will also be arbitrary. You can use the
ORDER BY
clause to order the records.
The companion
LAST
function returns the last record in the designated field.
This code finds the first birthdate in a table of MediCare patients that is ordered by the age field.
SELECT FIRST(birthdate) AS FirstBirthDate
FROM MediCarePatients
ORDER BY age
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