Odd behaviour of SQL*Plus

From: Robson, Peter <pgro_at_bgs.ac.uk>
Date: Tue, 27 May 2003 05:30:00 -0800
Message-ID: <F001.005A31FA.20030527053000@fatcity.com>

I wonder if anyone can shed some light on what's going on here...

A SQL*Plus script was hanging when run against a certain instance, and after a lot of faffing about, these are the facts:

The test script is simple, but exists to see how much data the server can process in one query. It looks like this:

select sysdate
---------x---------x
from dual;

You can see that by stacking up those comment lines (currently only 20 characters), one can quickly build a script which contains several hundred / thousand characters.

I'm using a SQL*Plus client, version 3.3.4.00 to access two different instances, both different versions. Yes I know my client is not the latest, but it has features which the later ones do not have...

For version 8.1.7.0.0 I can throw a query as above with size of 20,000 bytes +. No problem.

But when I put the same query to instance version 8.1.7.4.0 - I cannot squeeze more than about 1000 characters, before the query simply hangs. No error message.

A comparison of 'show all' against both instances gives identical returns.

Can anyone elighten me, please?

peter

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Author: Robson, Peter
  INET: pgro_at_bgs.ac.uk

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