Update 1st 5 digit of value

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Hi ,

I need assistance here for updating 1st 4 digit of a column value

for E.g i have value 999999999 (9 digit) and i need to mask 1st 5 digits with 11111

output should look like "111119999"

However, in the same column i have value called "MIS" i dont want to touch those value

what query should i use in Oracle sql developer.

What I have tried:

I have tried various update query like

UPDATE table SET TAX_ID = replace(TAX_ID, '4', '1111');

Posted 22-Aug-18 5:36am

harshitawkk

Updated 22-Aug-18 21:00pm

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Mohibur Rashid 22-Aug-18 22:38pm

What if your customer id is 111119999, what will be the result.

harshitawkk 23-Aug-18 11:58am

then the query will overwrite this value

2 solutions

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Jörgen Andersson · Answer 1 · 2018-08-22T21:00:00

Solution 3

SQL

UPDATE table
    SET TAX_ID = STUFF(TAX_ID,1,4,'1111')
WHERE   TAX_ID NOT LIKE '%MIS%';

Assuming the string 'MIS' can exist anywhere in the field.
BTW, your two first sentences are contradicting each other, do you want to update the first four or five characters?

Posted 22-Aug-18 21:00pm

Jörgen Andersson

Updated 23-Aug-18 19:26pm

v2

Comments

harshitawkk 23-Aug-18 11:52am

UPDATE table
SET TAX_ID = replace(TAX_ID, '4', '1111')
WHERE TAX_ID NOT LIKE '%MIS%';
this will add 1111 in existing value .

i need to mask 1st 4 or 5 digit from the value

output should be 111119999

Jörgen Andersson 24-Aug-18 1:27am

Updated solution.
But you still need to add logic for knowing when to replace four or five characters

Er. Puneet Goel · Answer 2 · 2018-08-22T06:44:00

Solution 1

Use this

var res = "1111" + TAX_ID.Substring(4);

Posted 22-Aug-18 6:44am

Er. Puneet Goel

Comments

Nelek 23-Aug-18 6:58am

Text copied from non solution #2 (by the enquirer):

Will this add 1111 to existing number .

My aim is that if I have Custmoer number as 999999999 then I need to mask or hide 1st 5 digit and output should look like 111119999

harshitawkk 23-Aug-18 11:55am

how should i use this
var res = "1111" + TAX_ID.Substring(4);

can you please help me with complete query and how will this mask my 1st 4 digit of existin value

Er. Puneet Goel 27-Aug-18 1:02am

you see its already adding 4 digits to your TAX_ID.