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PWB509: Managing the evolution of your PowerBuilder applications with Visual Expert

PWB509: Managing the evolution of your PowerBuilder applications with Visual Expert. Saffron Stripling Export Account Manager USA saffron.stripling@novalys.net August 15-19, 2004. Introduction.

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PWB509: Managing the evolution of your PowerBuilder applications with Visual Expert

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  1. PWB509: Managing the evolution of your PowerBuilder applications with Visual Expert Saffron Stripling Export Account Manager USA saffron.stripling@novalys.net August 15-19, 2004

  2. Introduction • Sybase is introducing a new product on the PB market. This product is dedicated to extending the life of PB applications. • Why did Sybase choose this product? • Part I - Understanding the PowerBuilder market • What kind of services does it provide? • Part II – Illustrating VE features

  3. I. UNDERSTANDING THE PB MARKET In order to understand today’s PB market and its future evolution, a worldwide survey on PowerBuilder was conducted in 2003 3100 developers from 107 countries answered this survey. A Worldwide survey

  4. I. UNDERSTANDING THE PB MARKET Different questions were asked to more than 3000 developers from all over the world to evaluate the importance of PB in their environment. Purpose of the survey • The past few years have seen the emergence of Internet/Intranet architecture in IT systems. It is important to evaluate the current PB market, and how do users plan to use PB in the future? • Sybase has been increasing the technical and marketing effort on PB for the past few years. What is the impact of these efforts on PB users? Structure

  5. I. UNDERSTANDING THE PB MARKET the worldwide 2003 PowerBuilder survey results

  6. I. UNDERSTANDING THE PB MARKET A - Where are the respondent from?  38% 26% American developers are widely represented in this survey. 26 % of respondents are form Western Europe. The 2003 PowerBuilder Survey Results

  7. B- What is the size of PB teams? I. UNDERSTANDING THE PB MARKET PowerBuilder was used by projects of important size (departmental projects or company projects). This trend is confirmed. The average size of development teams is12 people. More than half of the teams count between 4 and 20 developers The 2003 PowerBuilder Survey Results

  8. I. UNDERSTANDING THE PB MARKET C- How long will PB be used for? 83% • PB will be used for a long time: 83% believe they will use it for more than 2 years ! • The US forecast is very close to the one in other countries such as in Europe or Asia. The 2003 PowerBuilder Survey Results

  9. I. UNDERSTANDING THE PB MARKET D- Is PB used on existing applications, new applications or both? New applications 6% Both new and existing application 60% Existing application 34% • All developers stated they work on existing applications, which is not a surprise if we consider that PowerBuilder has become a mature tool. • The proportion of users who intend to develop new applications with PowerBuilder remains important : almost 60% ! The 2003 PowerBuilder Survey Results

  10. 9/10 & 10/10 64% 7/10 & 8/10 0/10 to 6/10 I. UNDERSTANDING THE PB MARKET E- Which mark was PB given?  PowerBuilder is an excellent tool whose users are satisfied with. The average mark is close to 8/10; more than 80% of the users gave PB a mark higher than 7/10. The 2003 PowerBuilder Survey Results

  11. I. UNDERSTANDING THE PB MARKET What can we conclude from this survey? • This search shows the impact of PB will remain strategic in IT departments in the following years, teams are still sizeable. • The bigger the application, the more it lasts, the more it takes to make it evolve. • Many strategic applications are still daily developed with PowerBuilder. • There is a need for these applications to be maintained and enhanced. Therefore, Sybase chose to introduce a solution named Visual Expert to help in maintaining and developing existing PB applications The 2003 PowerBuilder Survey Results

  12. II. MAKING LIFE EASIER VISUAL EXPERT II.I Which situations are we targeting? II.II Who and How

  13. 2. Knowledge transfer When an application is transferred to another group, there is a high cost in time and effort to transfer the knowledge. 3. Leaving a project When someone leaves a project they take their knowledge with them. II. MAKING LIFE EASIER The maintenance and development of existing PB applications often leads to a variety of hindrances, which take time and efforts to solve. II.I Which situations are we targeting? Situationsinvolving Application Knowledge Management 1. Joining a project When someone joins a project they need several months to master the application.

  14. II. MAKING LIFE EASIER II.I Which situations are we targeting? Situations involving the modification of an application • Every modification has the possibility of creating unexpected side effects • These problems may appear very late in the cycle (even after deployment) and are costly to resolve. • To avoid side effect issues, each modification should first be validated with an Impact Analysis. • When an Impact Analysis is done manually it is time consuming and can be incomplete. • Often there is not even the time available to conduct this analysis.

  15. II. MAKING LIFE EASIER Visual Expert automates Impact Analysis • The process becomes easy and fast. • The results are immediate, complete and reliable. Share the knowledge of your Applications with Visual Expert

  16. II. MAKING LIFE EASIER II.II Who and How Who does it concern? Sooner or later, everybody in the development team is concerned. How are we going to go about it? Taking different examples of daily situations every development team meets and showing the appropriate solution for such situations.

  17. II. MAKING LIFE EASIER Daily examples with Visual Expert

  18. III. SYBASE AND VISUAL EXPERT With Visual Expert, Sybase provides PowerBuilder Developers a solution to deal more easily with heavy applications they have to maintain and enhance regularly. Do not hesitate to request a free version : www.visual-expert.com contact@visual-expert.com

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