assistance at the request of insertion

Hello

I have a problem in the insertion of value in the table by using the select statement.

Source table for the air like that

ACCT eff_date amt
1 03/04/2012 100
03/05/2012 1, 200
03/06/2012 1, 100

lens table look like this

ACCT eff_date end_date amt
1 03/05/2012 100 03/04/2012
1 03/05/2012 03/06/2012 200
default value 1 03/06/2012 (12/31/9999) 100

My query is

insert into table_tgt
Select
ACCT,
eff_date,
End_date,
AMT
Of
(
Select
ACCT,
eff_date,
AMT,
ROW_NUMBER() over (partition by acct arrested by eff_date): the nurse,.
Lead (eff_date) over (partition by acct order of eff_date) as end_date
of table_src
)


but the query returns the value as


ACCT eff_date end_date amt
1 03/05/2012 100 03/04/2012
1 03/05/2012 03/06/2012 200
100 null 1 03/06/2012

How to get the default value when the value is zero.

Kindly help.

Kind regards
Maëlle

insert into table_tgt
Select
ACCT,
eff_date,
End_date,
AMT
Of
(
Select
ACCT,
eff_date,
AMT,
ROW_NUMBER() over (partition by acct arrested by eff_date): the nurse,.
NVL (Lead (eff_date) over (partition by acct arrested by eff_date), to_date (' 31/12/9999 ',' dd/mm/yyyy')) as end_date
of table_src
)

Tags: Database

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