SQL query dynamic row generation with composite key - sql

Question

My question is made of 3 parts.
First part:
Is there a way to generate rows based on a value?
E.g:
I want to give each family a number of vouchers based on their family_members_count.
Each voucher should have a unique id:
Base table:
id name family_members_count
1 fadi 2
2 sami 3
3 ali 1
Result:
family_id name voucher_id
1 fadi 121
1 fadi 122
2 sami 123
2 sami 124
2 sami 125
3 ali 126
Second part:
Can I control the voucher_id composite key? I want the voucher_id to be like this
(location)(cycle)(sequence 5 digits)
If north = 08 and we are in the second cycle it should be:
080200001
080200002
... and so on.
Third part:
I need the solution in both MS Access 2010 SQL and PostgreSQL 9.1 SQL.

Answer 1

Question 1
Use generate_series(). (In the coming version 9.3 look for the key word LATERAL.)
SELECT id AS family_id
,name
,120 + generate_series(1, family_members_count) AS voucher_id
FROM fam;
-> sqlfiddle demo
Question 2
SELECT id AS family_id
,name
,location
|| to_char(cycle, 'FM00')
|| to_char(generate_series(1, family_members_count), 'FM00000')
AS voucher_id
FROM fam2;
-> sqlfiddle demo
Note the use of to_char() to format numbers as text - and in particular the use of the FM pattern modifier to avoid leading white space.
Question 3
Sorry, I got MS Access out of my system 10 years ago and never looked back. Somebody else might fill in. I doubt it will be as simple.