update or delete multiple or single in database

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SQL-Server-2008

If i have a column name phone no in 2 tables for ex customer table and information table.
Where customer table having primary key and information table having same column as foreign key.
I want to update or delete one phone no.
I have a question now is that, I have to write two queries to update or delete 2 tables or updating/deleting one table will effect other table simultaneously.

Thanks in advance...

Posted 14-Oct-13 20:29pm

binadi007

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coded007 · Accepted Answer · 2013-10-14T20:39:00

Solution 1

If you are going to update, please update the table customer.

If you are going to delete, please write two queries for customer and information table. If not, it will effect when you have left join with each of them

Posted 14-Oct-13 20:39pm

coded007

Comments

binadi007 15-Oct-13 2:45am

In Update query, if i update only customer table then it affects both table i.e customer and information or only customer table be effected

coded007 15-Oct-13 2:50am

It will effect both Customer and Information tables as you are designed with foreign key relation ship