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Update query help

dbdoshidbdoshi Member Posts: 1
I have 2 tables T1 and T2.


What is happening now is, when I insert a row in T1, I insert a row in T2 with all the exact parameters
as T1 and the last 3 as sponsor_ssn = 000000000 and is_special_time = 1 and link = 1

Now, I want to add a new column to T1 called "ak" which is varchar(50) and a new column to T2 called
"webid" which is also varchar(50). Basically I want to have some sort of primary key foreign key relationship
from T1 --> T2.

Now, I have already added the "ak" column to T1 with some unique values. I want to add the same values
corresponding rows in T2 in column "webid".

What will be the best way to do this? I understand that there will be some sort of update query,but
I can't seem to figure that out.

Thanks for your help.


  • nwdurcholznwdurcholz Member Posts: 3
    What you are missing is some other way to pair the records that you want to make the relationship for. You need a test that will return true only when a record from T1 matches a record from T2; then just put this test in the WHERE clause of the update query. It would probably look something like the following:

    UPDATE T1, T2 SET T2.webid =
    WHERE T1.provider_ssn=T2.provider_ssn;

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