How to display the number of lines of time giving the values of the columns?
Hi allI want to display the number of rows times the value exists in the column num in the query below
with t AS
( SELECT 'venkatesh' NAME, 'hyd' LOC, 2 NUM FROM DUAL
UNION ALL
SELECT 'prasad' NAME, 'hyd' LOC, 3 NUM FROM DUAL
UNION ALL
SELECT 'krishna' NAME, 'hyd' LOC, 1 NUM FROM DUAL )
SELECT T.* FROM T
CONNECT BY ROWNUM <= NUM
Expected output:
venkatesh hyd 2
venkatesh hyd 2
prasad hyd 3
prasad hyd 3
prasad hyd 3
krishna hyd 1
Published by: Nag Aswadhati on November 1, 2012 12:34
Aswadhati NAG wrote:
Hi allI want to display the number of rows times the value exists in the column num in the query below
Expected output: venkatesh hyd 2 venkatesh hyd 2 prasad hyd 3 prasad hyd 3 prasad hyd 3 krishna hyd 1
With the help of connection by: -.
with t AS
( SELECT 'venkatesh' NAME, 'hyd' LOC, 2 NUM FROM DUAL
UNION ALL
SELECT 'prasad' NAME, 'hyd' LOC, 3 NUM FROM DUAL
UNION ALL
select 'krishna' name, 'hyd' loc, 1 num from dual )
select t.name, t.loc
from t
connect by level <= num
and name = prior name
and (prior sys_guid() is not null);
NAME LOC
--------- ---
krishna hyd
prasad hyd
prasad hyd
prasad hyd
venkatesh hyd
venkatesh hyd
6 rows selected
Tags: Database
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