RE: SQL VS QUERY

["Tyler, Matt" <mattt@xxxxxxxxxxxxxx>]

Bob,
        Do have them get SQL/400 tool box, it is installed for free on V5+
development package.  You can create queries that are very complex.  You can
use joins other than inner joins (which QUERY/400 only allows).  It installs
Query Manager which is where you can create SQL objects to run with
STRQMQRY.  You can also run some queries with RUNSQLSTM.  I would still use
QUERY/400.  It has far better reporting interfaces.  You can actually edit
data how you want it just like using RPG.  Combining the two can allow you
to create a robust report with good data formatting.

        The one reason I always use SQL to generate result sets is that you
can join tables on fields of different data type, (i.e., char to numeric)
with data conversion functions.  I use SQL to create exception results,
results where data exists in one table but not in another.  Using left outer
joins is great for that.


Thank you,
Matt Tyler
Mattt@wincofoods.com

-----Original Message-----
From: Bob Carl [mailto:bcarl@knapheide.com]
Sent: Thursday, October 10, 2002 09:09
To: Midrange Computing Technical NewsGroup for ISeries
Subject: SQL VS QUERY

This is a multi-part message in MIME format.
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My account is getting ready to purchase some sort of IBM ISeries Query tool,
SQL tools, or both.  I have been asked to provide justification for
investment in the SQL tool over or in addition to Query.

Can you use SQL in a CL in the same fashion as query, such as to create a
file(Like OPNQRYF). I would think you can.  I am wondering if we can scrap
query all together in favor of SQL (RUNSQL). Right now we do not use SQL for
anything but transferring data, such as in Excel or Client Access, but
considering its industry presence, it seems like a no-brainer.   Please
submit to me your best arguments for using SQL, and if it can replace Query
completely and easily.

 Thanks in advance.

Bob Carl, Senior Systems Analyst
Knapheide Manufacturing Company
217-223-1848 Ext. 2397
Fax: 217-223-1947

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