date format - Oracle: group by month -


i have such problem, working oracle database. in 1 of tables there column in timestamp format 06.01.14 08:54:35 must select data grouping column month. result of query column if 06.01.14 must jan.2014 in mm.yyyy format, tried such query

select to_char(ctime,'mm.yyyy') table_name

but result not in date format, string format. not to_date function

can me

of course variation on to_char result in string format. that's does. are, think, confusing how value displayed , data type behind it.

now if have date field can use

trunc(ctime,'mon')

which truncate first of month , leave in date format. how display you. if expecting date value not have day/hour/minute/second component - i'm afraid don't understand data type.


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