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From "Okken,Brett" <BOK...@CERNER.COM>
Subject tuple IN clause
Date Tue, 22 Jan 2013 21:23:44 GMT
I need to be able to perform a select statement where the qualifications is a list of tuples.

For example, assume I have a table:
id (number, primary key)
auth (varchar)
identifier (varchar)

The combination of auth and identifier is unique.
I need to be able to query for a list of auth/identifier combinations.

In oracle I can do the following:
select * from table where (auth, identifier) in ((?,?),(?,?)...)

In some other databases I can do something similar, but using the values keyword:
select * from table where (auth, identifier) in (values(?,?),(?,?)...)
There are at least some[1] who consider this valid sql-92 syntax.

Both of these fail in derby (with a syntax error). As best I can tell, in derby I would have
to do something like:

select * from table
(auth = ? and identifier = ?)
(auth = ? and identifier = ?)
(auth = ? and identifier = ?)

[1] - http://stackoverflow.com/a/8011075/1167722

Brett Okken | CAMM Platform Services | Lead Architect | 816.201.6112 | www.cerner.com<http://www.cerner.com>
| bokken@cerner.com<mailto:bokken@cerner.com>

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