how to concatenate three columns and insert the another table

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table name : purchase

or_name ord_yr ord_numer

sal 2011 0004

after insert the table the value is

table name: purchase_order

order

sal-2011-0004

and again increment the ord_number replace 0004 to 005 and update the purchase table ,

Posted 21-Apr-14 22:37pm

sekar305

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CPallini 22-Apr-14 5:11am

Why do you need another table for that? Cannot you just create a view with the concatenated values?

2 solutions

Solution 2

if you are using SQL then....

SQL

INSERT INTO purchase_order
(order)
SELECT or_name+'-'+ ord_yr+'-'+  ord_numer as order
FROM purchase;

set purchase_order id as auto increment

in oracle use ||
insted of +

Posted 22-Apr-14 0:27am

Kan07

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ccalma · Accepted Answer · 2014-04-21T23:08:00

Solution 1

Create a column ord_counter in your database. Then get the last value of the counter per ord_year.
Increment the last value of the counter.

Posted 21-Apr-14 23:08pm

ccalma