replace first four characters by three new character

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Hi All
I have requirement like below
#CNAAB
#CNAAC
#CNADD

So if I put #CNA in the change from field, and CNB in the change to field, the new alphas would be:
CNBAB
CNBAC
CNBDD
that is replace first four character(#CNA)by three character(CNB)
how should I write the query for that? Please help.

Posted 8-Mar-11 23:53pm

IndrajitDasgupat

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Prerak Patel · Answer 1 · 2011-03-09T00:00:00

Solution 1

SQL

UPDATE tablename
SET fieldname = replace(fieldname, '#CNA', 'CNB')

Posted 9-Mar-11 0:00am

Prerak Patel

v2

Comments

IndrajitDasgupat 9-Mar-11 6:23am

replace(fieldname, '#CNA', 'CNB') in this scenario it is not always #CNA it may be different so I have to select field name and in the place CNB it may be different character so I have to pass it from front end, then what will be the function?

Prerak Patel 9-Mar-11 6:28am

I think it's not hard to pass them as parameters. Do work on it, and make a function with those two parameters.