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replace in sql

Author

Topic

peace
Constraint Violating Yak Guru

420 Posts

Posted - 2013-10-15 : 23:01:39

i have 2 tables:

tableA:
ID Code Depart Arrival
10 DoubleAA

tableB:
ID Journey Depart Arrival
10 first UK US
10 second US UK

How can I replace in tableA for NULL Depart and Arrival column to the one in tableB which is the first journey.

expected result:

tableA:
ID Code Depart Arrival
10 DoubleAA UK US

VeeranjaneyuluAnnapureddy
Posting Yak Master

169 Posts

Posted - 2013-10-16 : 00:25:22

Select Id
, Code
, Depart = (Select Depart From Table2 Where Journey = 'First')
, Arrival = (Select Arrival From Table2 Where Journey = 'First')
From Table1

veeranjaneyulu

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2013-10-16 : 02:07:45

[code]
UPDATE a
SET a.Depart = b.Depart,
a.Arrival = b.Arrival
FROM tableA a
INNER JOIN TableB b
ON b.ID = a.ID
AN b.Journey = 'first'
[/code]

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