There are two ways to write error-free programs; only the third one works.

Alan J. Perlis

With good program architecture debugging is a breeze, because bugs will be where they should be.

David May

Fully 75% of respondents reported significant problems as a result of defective data. ... Little over 40% of them were 'very confident' in their own data quality.

PWC

Poor data quality is like dirt on the windshield. You may be able to drive for a long time with slowly degrading vision, but at some point, you either have to stop and clear the windshield or risk everything.

Ken Orr
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Testing mainframe applications, such as CICS screens, for usability is significantly different than testing a web or windows application. CICS applications excel in data entry environments in which a mouse is seldom used, such as use within a call center, and testing should keep this benefit and intended application in mind.
 
One list of test cases for CICS, posted on techtarget, focuses on a few key categories of errors:
 
1) Text, text-placement, and omission errors. This includes labels that do not appear, labels that appear in the wrong place, and labels th

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One of the major problems in any organization is the oldest code hasn’t been tested against more newly discovered bugs. VB6, classic ASP, and even COBOL can be vulnerable to more modern flaws like SQL injection. As "Charles" writes on stack overflow,
 
“Non-parameterized dynamic statements are what you need to worry about…for example,
 
STRING "INSERT INTO TBL (a,b,c) VALUES (" X ", "Y ", "Z ")" INTO WSQLSTMT.
 
EXEC SQL PREPARE MYSTMT FROM :WSQLSTMT END-EXEC.
 
EXEC SQL EXECUTE MYSTMT END-EXEC. ”
 

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Most large organizations already follow a corporate backup policy. However, for individual develope...

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No large…enterprise can ever hope to clean up all of its data - it's always a continuous journey.

Boris Evelson

Batch automation is frequently included by both database and...

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One of the companies I work for has millions of employees in total, and keeps records on them in several databases that exchange data through flat files. While this system seems to violate the principle of a single source of data, it’s been in place for years and works well. There must be a reason for this replication of data, and for allowing some inconsi...

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