EXTRACT() Hour in 24 Hour format

Question

I have something like below-

EXTRACT(HOUR from CAST(to_char(tran_datetime,\'DD-MON-YYYY HH24:MI:SS\') AS TIMESTAMP))

tran_datetime

Answer 1

select to_char(tran_datetime,'HH24') from test;

TO_CHAR(tran_datetime,'HH24')
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16