Posted by Erland Sommarskog on 05/27/05 00:57

robert lassiter (rlassiter@shaw.ca) writes:
> I have two tables in the same SQL database. Both have a similar numeric
> field. One field has the same number as the other field but is prefixed
> with various letters. I know how to use LIKE but won't know the partial
> string I am looking for. I am trying to use LIKE '%' + Field A or
> something that will do this.
>
> Eg.
>
> Table 1 Field A is 'A12345"
> Table 2 Field B is '12345"
>
> I want to find every record in Table 1 Field A that contains the exact
> Field B data.

Assuming the the numbers are always at the end, this could do:

SELECT * FROM tbl1 a
WHERE EXISTS (SELECT *
FROM tbl2 b
WHERE charindex(b.fieldb, a.fielda) =
len(a.fielda) - len(b.fieldb) + 1)

Note that this is untested.



--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

Books Online for SQL Server SP3 at
http://www.microsoft.com/sql/techinfo/productdoc/2000/books.asp

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