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Jim, definitely $DBI::errstr. If I force another error - like wrong port number, I do get an error message, but with my original code, nothing. Colin

Jim, The &DBI::errstr still produced nothing. Your one liner did show Oracle in the list of Drivers. Thanks for the effort. p.s. I solved the original problem by removing 2 $ENV statements, (1 for ORACLE_HOME on the server, and 1 for TNS_ADMIN pointing to the tnsname.ora file on the PC). these...

How do I find out why a DBI->connect fials. Using DBI to connect to an Oracle datbase, the connect fails but no diagnostics in the die clause produce anything. e.g. $dbh = DBI->connect("dbi:Oracle: ...) or die "Failed: $! $dbh->errstr $ora_errstr \n"; produces only the Failed...

How do I obtain a disk volume label in a Perl program running under Windows 32. e.g. I have a CD Rom in my drive d:, how do I find the volume label of the CD Rom? Any sugestions welcome, Colin

Bob, Tkwait doesn't work either. Having done some research I found waitVariable - an inbuilt Tk method, and this works fine. e.g. After calling the sub-routine which dives off into Tk, code $mw->waitVariable(\$wait_flag); and in the Tk routines, after all the Tk stuff is finished...

Bob, Thanks for the 'vwait' suggestion, but I am working with Tk not TCL. I can't get vwait to work in Tk, I get messages like ' Can't locate object method "set" via package "masticman::flag"' Colin

My objective: To read through a file & check for anomalies, if anomaly found, query user if a change is required; if yes, get the change and update the file record. Process used: 1. Read the file into an array 2. Check the records in the array 3. If anomaly found in record 4. Query user with Tk...

I have a table with multiple occurences of key values, how do I retrieve the first row only on a Select statement.