Software Mythbusters
Has Software Productivity Declined Over Time?
Peter Hill of ISBGS poses an interesting question:
Has software productivity improved over the last 15 years? What do you think? Perhaps it doesn't matter as long as quality (as in defect rate) as improved?
Two widely used productivity measures are Function Points/Person Month and QSM's PI (or productivity index). To answer Peter's question, I took a quick look at 1000 medium and high confidence business systems completed between 1996 and 2011. Here's what I found:
Software Mythbusters: The Single Version of the Truth
Recently I attended a seminar on a commercial reporting and data sharing product. In the sales material and discussion, the phrase “Single Version of the Truth” was used several times. But what does it mean?
“In computerized business management, svot, or Single Version of the Truth, is a technical concept describing the data warehousing ideal of having either a single centralised database, or at least a distributed synchronised database, which stores all of an organisation's data in a consistent and non‐redundant form.” - Wikipedia
The concept is attractive to decision makers who collect and analyze information from multiple departments or teams. Here's why:
