How to write procedure or function or any sql statement for requirement

Hi,
i have a table named letter,it contains 2 columns named as letter_id and letter_content.
select * from letter;
letter_id letter_content
103 Dear MFR
103 This is in regards to the attached DM List
103 Please Credit us after reviewing it.
103 Thanks
103 Regards
103 xxxx
108 Dear customer
108 This is to inform that ur DM List is as follows
108 Credit us according to the Dm after reviewing it.
108 Thanks
108 Regards
108 xxxx
now my requirement is,i need send a parameter as letter_id to a procedure or function in pl/sql in oracle,the output should be as follows:
if we will pass parameter(letter_id) = 103 then it displays as follows:
Dear MFR
This is in regards to the attached DM List.Please Credit us after reviewing it.
Thanks
Regards,
XXXXX.
if we will pass parameter(letter_id) = 108 then it should displays as follows:
Dear customer,
This is to inform that ur DM List is as follows. Credit us according to the Dm after reviewing it.
Thanks
Regards,
XXXXX.
---------------------------------------------------------------------------------------------------------

i am really appriciate ur help.
thank u so much for ur suggestions.
when i am uning line_seq its giving an error
ORA-00904: "LINE_SEQ": invalid identifier
so,in my table i had created a sequense named content_seq.
select * from letter;
content_seq letter_id letter_content
1 103 Dear MFR
2 103 This is in regards to the attached DM List
3 103 Please Credit us after reviewing it.
4 103 Thanks
5 103 Regards
6 103 xxxx
7 108 Dear customer
8 108 This is to inform that ur DM List is as follows
9 108 Credit us according to the Dm after reviewing it.
10 108 Thanks
11 108 Regards
12 108 xxxx
then i had used ur code as follows:
select linefrom ( select content_seq , letter_content || case content_seq when 2 then ' ' || lead(letter_content) over (partition by letter_id order by content_seq) end as line from letter where letter_id = 103 )where content_seq <> 3;
LETTER_CONTENT
Dear MFR
this is in regards to the attached DM List Please credit us after reviewing it
thanks
Regards
EXP
but when i take letter_id = 108 the format is comming different.it was unable to combine 2lines.
Message was edited by:
user579585
Message was edited by:
user579585

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