How to convert this select statement into update

Hai All
I have two table Namely Daily_attend , Train_mast
Daily_attend Consist Of fields are Train_mast consist Of fields are
Name varchar Train no var
Empcode Num T_date date
Intime Date Train_name var
Outtime date Late_hrs var
IND_IN Number
IDE_OUT Number
Attend_date date
I need to update IDE_IN In Daily_attend table Depend upon late_hrs in the Train_mast table
I have got Through in select statement This is my select statement
select to_number(TO_DATE(TO_CHAR(Intime,'DD-MON-YYYY')||' '||
TO_CHAR(0815,'0000'),'DD-MON-YYYY HH24:MI')+late_hrs/(24*60)-intime
) * 24*60 from dail_Att,train_mast;
How can i convert it to update
Any help is highly appricateable
Thanks In Advance
Regards
Srikkanth.M

Srikkanth,
Try this code. And 1 more thing, i can't see any WHERE condition to join between the 2 tables DAIL_ATT, TRAIN_MAST.
UPDATE DAIL_ATT A SET A.IDE_IN = (SELECT TO_NUMBER(TO_DATE(TO_CHAR(INTIME, 'DD-MON-YYYY')|| ' ' || TO_CHAR(0815, '0000'), 'DD-MON-YYYY HH24:MI') + LATE_HRS / (24 * 60) - INTIME) * 24 * 60 FROM TRAIN_MAST B WHERE <condition>);Regards,
Manu.
If my response or the response of another was helpful or Correct, please mark it accordingly

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Can you provide your example data as a table to compliment your expected result?
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Don't forget to mark helpful posts, and answers. It helps others to find relevant posts to the same question.

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Shahid,
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<b>AND hkont IN s_hkont.</b>
Not much diff. I just re-ordered the condition based on the order of BSEG fields... Lemme know if it helps.
Regards,
Karthik
Message was edited by:
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